20176904930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{167}}^1\times {\mathrm{1459}}^1$

素因数の和:1673

約数の個数: 144

約数和(自身を含む): 46053282240

約数和(自身を除く): 25876377310

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 167, 169, 182, 245, 334, 338, 455, 490, 637, 835, 845, 910, 1169, 1183, 1274, 1459, 1670, 1690, 2171, 2338, 2366, 2918, 3185, 4342, 5845, 5915, 6370, 7295, 8183, 8281, 10213, 10855, 11690, 11830, 14590, 15197, 16366, 16562, 18967, 20426, 21710, 28223, 30394, 37934, 40915, 41405, 51065, 56446, 71491, 75985, 81830, 82810, 94835, 102130, 106379, 132769, 141115, 142982, 151970, 189670, 197561, 212758, 243653, 246571, 265538, 282230, 357455, 395122, 487306, 493142, 531895, 663845, 714910, 929383, 987805, 1063790, 1218265, 1232855, 1327690, 1382927, 1705571, 1725997, 1858766, 1975610, 2436530, 2465710, 2765854, 3167489, 3411142, 3451994, 4646915, 6334978, 6914635, 8527855, 8629985, 9293830, 11938997, 12081979, 13829270, 15837445, 17055710, 17259970, 22172423, 23877994, 24163958, 31674890, 41177357, 44344846, 59694985, 60409895, 82354714, 110862115, 119389970, 120819790, 155206961, 205886785, 221724230, 288241499, 310413922, 411773570, 576482998, 776034805, 1441207495, 1552069610, 2017690493, 2882414990, 4035380986, 10088452465, 20176904930]

約数ペア:

[(1, 20176904930), (2, 10088452465), (5, 4035380986), (7, 2882414990), (10, 2017690493), (13, 1552069610), (14, 1441207495), (26, 776034805), (35, 576482998), (49, 411773570), (65, 310413922), (70, 288241499), (91, 221724230), (98, 205886785), (130, 155206961), (167, 120819790), (169, 119389970), (182, 110862115), (245, 82354714), (334, 60409895), (338, 59694985), (455, 44344846), (490, 41177357), (637, 31674890), (835, 24163958), (845, 23877994), (910, 22172423), (1169, 17259970), (1183, 17055710), (1274, 15837445), (1459, 13829270), (1670, 12081979), (1690, 11938997), (2171, 9293830), (2338, 8629985), (2366, 8527855), (2918, 6914635), (3185, 6334978), (4342, 4646915), (5845, 3451994), (5915, 3411142), (6370, 3167489), (7295, 2765854), (8183, 2465710), (8281, 2436530), (10213, 1975610), (10855, 1858766), (11690, 1725997), (11830, 1705571), (14590, 1382927), (15197, 1327690), (16366, 1232855), (16562, 1218265), (18967, 1063790), (20426, 987805), (21710, 929383), (28223, 714910), (30394, 663845), (37934, 531895), (40915, 493142), (41405, 487306), (51065, 395122), (56446, 357455), (71491, 282230), (75985, 265538), (81830, 246571), (82810, 243653), (94835, 212758), (102130, 197561), (106379, 189670), (132769, 151970), (141115, 142982)]