20875576020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{68449}}^1$

素因数の和:68514

約数の個数: 192

約数和(自身を含む): 69549580800

約数和(自身を除く): 48674004780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 23, 26, 30, 34, 39, 46, 51, 52, 60, 65, 68, 69, 78, 85, 92, 102, 115, 130, 138, 156, 170, 195, 204, 221, 230, 255, 260, 276, 299, 340, 345, 390, 391, 442, 460, 510, 598, 663, 690, 780, 782, 884, 897, 1020, 1105, 1173, 1196, 1326, 1380, 1495, 1564, 1794, 1955, 2210, 2346, 2652, 2990, 3315, 3588, 3910, 4420, 4485, 4692, 5083, 5865, 5980, 6630, 7820, 8970, 10166, 11730, 13260, 15249, 17940, 20332, 23460, 25415, 30498, 50830, 60996, 68449, 76245, 101660, 136898, 152490, 205347, 273796, 304980, 342245, 410694, 684490, 821388, 889837, 1026735, 1163633, 1368980, 1574327, 1779674, 2053470, 2327266, 2669511, 3148654, 3490899, 3559348, 4106940, 4449185, 4654532, 4722981, 5339022, 5818165, 6297308, 6981798, 7871635, 8898370, 9445962, 10678044, 11636330, 13347555, 13963596, 15127229, 15743270, 17454495, 17796740, 18891924, 20466251, 23272660, 23614905, 26695110, 26763559, 30254458, 31486540, 34908990, 40932502, 45381687, 47229810, 53390220, 53527118, 60508916, 61398753, 69817980, 75636145, 80290677, 81865004, 90763374, 94459620, 102331255, 107054236, 122797506, 133817795, 151272290, 160581354, 181526748, 204662510, 226908435, 245595012, 267635590, 302544580, 306993765, 321162708, 347926267, 401453385, 409325020, 453816870, 535271180, 613987530, 695852534, 802906770, 907633740, 1043778801, 1227975060, 1391705068, 1605813540, 1739631335, 2087557602, 3479262670, 4175115204, 5218894005, 6958525340, 10437788010, 20875576020]

約数ペア:

[(1, 20875576020), (2, 10437788010), (3, 6958525340), (4, 5218894005), (5, 4175115204), (6, 3479262670), (10, 2087557602), (12, 1739631335), (13, 1605813540), (15, 1391705068), (17, 1227975060), (20, 1043778801), (23, 907633740), (26, 802906770), (30, 695852534), (34, 613987530), (39, 535271180), (46, 453816870), (51, 409325020), (52, 401453385), (60, 347926267), (65, 321162708), (68, 306993765), (69, 302544580), (78, 267635590), (85, 245595012), (92, 226908435), (102, 204662510), (115, 181526748), (130, 160581354), (138, 151272290), (156, 133817795), (170, 122797506), (195, 107054236), (204, 102331255), (221, 94459620), (230, 90763374), (255, 81865004), (260, 80290677), (276, 75636145), (299, 69817980), (340, 61398753), (345, 60508916), (390, 53527118), (391, 53390220), (442, 47229810), (460, 45381687), (510, 40932502), (598, 34908990), (663, 31486540), (690, 30254458), (780, 26763559), (782, 26695110), (884, 23614905), (897, 23272660), (1020, 20466251), (1105, 18891924), (1173, 17796740), (1196, 17454495), (1326, 15743270), (1380, 15127229), (1495, 13963596), (1564, 13347555), (1794, 11636330), (1955, 10678044), (2210, 9445962), (2346, 8898370), (2652, 7871635), (2990, 6981798), (3315, 6297308), (3588, 5818165), (3910, 5339022), (4420, 4722981), (4485, 4654532), (4692, 4449185), (5083, 4106940), (5865, 3559348), (5980, 3490899), (6630, 3148654), (7820, 2669511), (8970, 2327266), (10166, 2053470), (11730, 1779674), (13260, 1574327), (15249, 1368980), (17940, 1163633), (20332, 1026735), (23460, 889837), (25415, 821388), (30498, 684490), (50830, 410694), (60996, 342245), (68449, 304980), (76245, 273796), (101660, 205347), (136898, 152490)]