20454974197

素因数分解:

$7^2\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{30169}}^1$

素因数の和:30421

約数の個数: 24

約数和(自身を含む): 24206356440

約数和(自身を除く): 3751382243

約数列:

[1, 7, 49, 101, 137, 707, 959, 4949, 6713, 13837, 30169, 96859, 211183, 678013, 1478281, 3047069, 4133153, 21329483, 28932071, 149306381, 202524497, 417448453, 2922139171, 20454974197]

約数ペア:

[(1, 20454974197), (7, 2922139171), (49, 417448453), (101, 202524497), (137, 149306381), (707, 28932071), (959, 21329483), (4949, 4133153), (6713, 3047069), (13837, 1478281), (30169, 678013), (96859, 211183)]