20780112

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{10559}}^1$

素因数の和:10611

約数の個数: 40

約数和(自身を含む): 54996480

約数和(自身を除く): 34216368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 246, 328, 492, 656, 984, 1968, 10559, 21118, 31677, 42236, 63354, 84472, 126708, 168944, 253416, 432919, 506832, 865838, 1298757, 1731676, 2597514, 3463352, 5195028, 6926704, 10390056, 20780112]

約数ペア:

[(1, 20780112), (2, 10390056), (3, 6926704), (4, 5195028), (6, 3463352), (8, 2597514), (12, 1731676), (16, 1298757), (24, 865838), (41, 506832), (48, 432919), (82, 253416), (123, 168944), (164, 126708), (246, 84472), (328, 63354), (492, 42236), (656, 31677), (984, 21118), (1968, 10559)]