20165659871

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{77489}}^1$

素因数の和:77663

約数の個数: 24

約数和(自身を含む): 24169440960

約数和(自身を除く): 4003781089

約数列:

[1, 7, 47, 49, 113, 329, 791, 2303, 5311, 5537, 37177, 77489, 260239, 542423, 3641983, 3796961, 8756257, 25493881, 61293799, 178457167, 411544079, 429056593, 2880808553, 20165659871]

約数ペア:

[(1, 20165659871), (7, 2880808553), (47, 429056593), (49, 411544079), (113, 178457167), (329, 61293799), (791, 25493881), (2303, 8756257), (5311, 3796961), (5537, 3641983), (37177, 542423), (77489, 260239)]