20736696968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1459}}^1\times {\mathrm{8039}}^1$

素因数の和:9534

約数の個数: 64

約数和(自身を含む): 44371152000

約数和(自身を除く): 23634455032

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1459, 1768, 2918, 5836, 8039, 11672, 16078, 18967, 24803, 32156, 37934, 49606, 64312, 75868, 99212, 104507, 136663, 151736, 198424, 209014, 273326, 322439, 418028, 546652, 644878, 836056, 1093304, 1289756, 1776619, 2579512, 3553238, 7106476, 11728901, 14212952, 23457802, 46915604, 93831208, 152475713, 199391317, 304951426, 398782634, 609902852, 797565268, 1219805704, 1595130536, 2592087121, 5184174242, 10368348484, 20736696968]

約数ペア:

[(1, 20736696968), (2, 10368348484), (4, 5184174242), (8, 2592087121), (13, 1595130536), (17, 1219805704), (26, 797565268), (34, 609902852), (52, 398782634), (68, 304951426), (104, 199391317), (136, 152475713), (221, 93831208), (442, 46915604), (884, 23457802), (1459, 14212952), (1768, 11728901), (2918, 7106476), (5836, 3553238), (8039, 2579512), (11672, 1776619), (16078, 1289756), (18967, 1093304), (24803, 836056), (32156, 644878), (37934, 546652), (49606, 418028), (64312, 322439), (75868, 273326), (99212, 209014), (104507, 198424), (136663, 151736)]