20123992910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{9913297}}^1$

素因数の和:9913340

約数の個数: 32

約数和(自身を含む): 42825447360

約数和(自身を除く): 22701454450

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 9913297, 19826594, 49566485, 69393079, 99132970, 138786158, 287485613, 346965395, 574971226, 693930790, 1437428065, 2012399291, 2874856130, 4024798582, 10061996455, 20123992910]

約数ペア:

[(1, 20123992910), (2, 10061996455), (5, 4024798582), (7, 2874856130), (10, 2012399291), (14, 1437428065), (29, 693930790), (35, 574971226), (58, 346965395), (70, 287485613), (145, 138786158), (203, 99132970), (290, 69393079), (406, 49566485), (1015, 19826594), (2030, 9913297)]