20188441

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{773}}^1$

素因数の和:841

約数の個数: 24

約数和(自身を含む): 25941384

約数和(自身を除く): 5752943

約数列:

[1, 7, 13, 41, 49, 91, 287, 533, 637, 773, 2009, 3731, 5411, 10049, 26117, 31693, 37877, 70343, 221851, 412009, 492401, 1552957, 2884063, 20188441]

約数ペア:

[(1, 20188441), (7, 2884063), (13, 1552957), (41, 492401), (49, 412009), (91, 221851), (287, 70343), (533, 37877), (637, 31693), (773, 26117), (2009, 10049), (3731, 5411)]