20733180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1399}}^1$

素因数の和:1443

約数の個数: 96

約数和(自身を含む): 65856000

約数和(自身を除く): 45122820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 190, 195, 228, 247, 260, 285, 380, 390, 494, 570, 741, 780, 988, 1140, 1235, 1399, 1482, 2470, 2798, 2964, 3705, 4197, 4940, 5596, 6995, 7410, 8394, 13990, 14820, 16788, 18187, 20985, 26581, 27980, 36374, 41970, 53162, 54561, 72748, 79743, 83940, 90935, 106324, 109122, 132905, 159486, 181870, 218244, 265810, 272805, 318972, 345553, 363740, 398715, 531620, 545610, 691106, 797430, 1036659, 1091220, 1382212, 1594860, 1727765, 2073318, 3455530, 4146636, 5183295, 6911060, 10366590, 20733180]

約数ペア:

[(1, 20733180), (2, 10366590), (3, 6911060), (4, 5183295), (5, 4146636), (6, 3455530), (10, 2073318), (12, 1727765), (13, 1594860), (15, 1382212), (19, 1091220), (20, 1036659), (26, 797430), (30, 691106), (38, 545610), (39, 531620), (52, 398715), (57, 363740), (60, 345553), (65, 318972), (76, 272805), (78, 265810), (95, 218244), (114, 181870), (130, 159486), (156, 132905), (190, 109122), (195, 106324), (228, 90935), (247, 83940), (260, 79743), (285, 72748), (380, 54561), (390, 53162), (494, 41970), (570, 36374), (741, 27980), (780, 26581), (988, 20985), (1140, 18187), (1235, 16788), (1399, 14820), (1482, 13990), (2470, 8394), (2798, 7410), (2964, 6995), (3705, 5596), (4197, 4940)]