16711980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3923}}^1$

素因数の和:4006

約数の個数: 48

約数和(自身を含む): 47464704

約数和(自身を除く): 30752724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 3923, 4260, 7846, 11769, 15692, 19615, 23538, 39230, 47076, 58845, 78460, 117690, 235380, 278533, 557066, 835599, 1114132, 1392665, 1671198, 2785330, 3342396, 4177995, 5570660, 8355990, 16711980]

約数ペア:

[(1, 16711980), (2, 8355990), (3, 5570660), (4, 4177995), (5, 3342396), (6, 2785330), (10, 1671198), (12, 1392665), (15, 1114132), (20, 835599), (30, 557066), (60, 278533), (71, 235380), (142, 117690), (213, 78460), (284, 58845), (355, 47076), (426, 39230), (710, 23538), (852, 19615), (1065, 15692), (1420, 11769), (2130, 7846), (3923, 4260)]