20022275

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{677}}^1$

素因数の和:720

約数の個数: 36

約数和(自身を含む): 30770352

約数和(自身を除く): 10748077

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 169, 175, 325, 455, 677, 845, 1183, 2275, 3385, 4225, 4739, 5915, 8801, 16925, 23695, 29575, 44005, 61607, 114413, 118475, 220025, 308035, 572065, 800891, 1540175, 2860325, 4004455, 20022275]

約数ペア:

[(1, 20022275), (5, 4004455), (7, 2860325), (13, 1540175), (25, 800891), (35, 572065), (65, 308035), (91, 220025), (169, 118475), (175, 114413), (325, 61607), (455, 44005), (677, 29575), (845, 23695), (1183, 16925), (2275, 8801), (3385, 5915), (4225, 4739)]