20734688

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{49843}}^1$

素因数の和:49866

約数の個数: 24

約数和(自身を含む): 43962408

約数和(自身を除く): 23227720

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 49843, 99686, 199372, 398744, 647959, 797488, 1295918, 1594976, 2591836, 5183672, 10367344, 20734688]

約数ペア:

[(1, 20734688), (2, 10367344), (4, 5183672), (8, 2591836), (13, 1594976), (16, 1295918), (26, 797488), (32, 647959), (52, 398744), (104, 199372), (208, 99686), (416, 49843)]