20467888944

素因数分解:

$2^4\times 3^1\times {\mathrm{641}}^1\times {\mathrm{665233}}^1$

素因数の和:665885

約数の個数: 40

約数和(自身を含む): 52957948272

約数和(自身を除く): 32490059328

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 641, 1282, 1923, 2564, 3846, 5128, 7692, 10256, 15384, 30768, 665233, 1330466, 1995699, 2660932, 3991398, 5321864, 7982796, 10643728, 15965592, 31931184, 426414353, 852828706, 1279243059, 1705657412, 2558486118, 3411314824, 5116972236, 6822629648, 10233944472, 20467888944]

約数ペア:

[(1, 20467888944), (2, 10233944472), (3, 6822629648), (4, 5116972236), (6, 3411314824), (8, 2558486118), (12, 1705657412), (16, 1279243059), (24, 852828706), (48, 426414353), (641, 31931184), (1282, 15965592), (1923, 10643728), (2564, 7982796), (3846, 5321864), (5128, 3991398), (7692, 2660932), (10256, 1995699), (15384, 1330466), (30768, 665233)]