12920460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{30763}}^1$

素因数の和:30782

約数の個数: 48

約数和(自身を含む): 41346816

約数和(自身を除く): 28426356

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 30763, 61526, 92289, 123052, 153815, 184578, 215341, 307630, 369156, 430682, 461445, 615260, 646023, 861364, 922890, 1076705, 1292046, 1845780, 2153410, 2584092, 3230115, 4306820, 6460230, 12920460]

約数ペア:

[(1, 12920460), (2, 6460230), (3, 4306820), (4, 3230115), (5, 2584092), (6, 2153410), (7, 1845780), (10, 1292046), (12, 1076705), (14, 922890), (15, 861364), (20, 646023), (21, 615260), (28, 461445), (30, 430682), (35, 369156), (42, 307630), (60, 215341), (70, 184578), (84, 153815), (105, 123052), (140, 92289), (210, 61526), (420, 30763)]