16420460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2213}}^1$

素因数の和:2282

約数の個数: 48

約数和(自身を含む): 40170816

約数和(自身を除く): 23750356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 2213, 3710, 4426, 7420, 8852, 11065, 15491, 22130, 30982, 44260, 61964, 77455, 117289, 154910, 234578, 309820, 469156, 586445, 821023, 1172890, 1642046, 2345780, 3284092, 4105115, 8210230, 16420460]

約数ペア:

[(1, 16420460), (2, 8210230), (4, 4105115), (5, 3284092), (7, 2345780), (10, 1642046), (14, 1172890), (20, 821023), (28, 586445), (35, 469156), (53, 309820), (70, 234578), (106, 154910), (140, 117289), (212, 77455), (265, 61964), (371, 44260), (530, 30982), (742, 22130), (1060, 15491), (1484, 11065), (1855, 8852), (2213, 7420), (3710, 4426)]