20387130377

素因数分解:

${\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{463}}^1\times {\mathrm{5659}}^1$

素因数の和:6404

約数の個数: 16

約数和(自身を含む): 21177999360

約数和(自身を除く): 790868983

約数列:

[1, 31, 251, 463, 5659, 7781, 14353, 116213, 175429, 1420409, 2620117, 3602603, 44032679, 81223627, 657649367, 20387130377]

約数ペア:

[(1, 20387130377), (31, 657649367), (251, 81223627), (463, 44032679), (5659, 3602603), (7781, 2620117), (14353, 1420409), (116213, 175429)]