20481648

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{38791}}^1$

素因数の和:38813

約数の個数: 40

約数和(自身を含む): 57722496

約数和(自身を除く): 37240848

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 528, 38791, 77582, 116373, 155164, 232746, 310328, 426701, 465492, 620656, 853402, 930984, 1280103, 1706804, 1861968, 2560206, 3413608, 5120412, 6827216, 10240824, 20481648]

約数ペア:

[(1, 20481648), (2, 10240824), (3, 6827216), (4, 5120412), (6, 3413608), (8, 2560206), (11, 1861968), (12, 1706804), (16, 1280103), (22, 930984), (24, 853402), (33, 620656), (44, 465492), (48, 426701), (66, 310328), (88, 232746), (132, 155164), (176, 116373), (264, 77582), (528, 38791)]