20319312

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{32563}}^1$

素因数の和:32587

約数の個数: 40

約数和(自身を含む): 56531104

約数和(自身を除く): 36211792

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 32563, 65126, 97689, 130252, 195378, 260504, 390756, 423319, 521008, 781512, 846638, 1269957, 1563024, 1693276, 2539914, 3386552, 5079828, 6773104, 10159656, 20319312]

約数ペア:

[(1, 20319312), (2, 10159656), (3, 6773104), (4, 5079828), (6, 3386552), (8, 2539914), (12, 1693276), (13, 1563024), (16, 1269957), (24, 846638), (26, 781512), (39, 521008), (48, 423319), (52, 390756), (78, 260504), (104, 195378), (156, 130252), (208, 97689), (312, 65126), (624, 32563)]