20591744

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{8467}}^1$

素因数の和:8500

約数の個数: 32

約数和(自身を含む): 43186800

約数和(自身を除く): 22595056

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 8467, 16934, 33868, 67736, 135472, 160873, 270944, 321746, 541888, 643492, 1083776, 1286984, 2573968, 5147936, 10295872, 20591744]

約数ペア:

[(1, 20591744), (2, 10295872), (4, 5147936), (8, 2573968), (16, 1286984), (19, 1083776), (32, 643492), (38, 541888), (64, 321746), (76, 270944), (128, 160873), (152, 135472), (304, 67736), (608, 33868), (1216, 16934), (2432, 8467)]