2016705620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{17971}}^1$

素因数の和:18192

約数の個数: 48

約数和(自身を含む): 4396094976

約数和(自身を除く): 2379389356

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 181, 310, 362, 620, 724, 905, 1810, 3620, 5611, 11222, 17971, 22444, 28055, 35942, 56110, 71884, 89855, 112220, 179710, 359420, 557101, 1114202, 2228404, 2785505, 3252751, 5571010, 6505502, 11142020, 13011004, 16263755, 32527510, 65055020, 100835281, 201670562, 403341124, 504176405, 1008352810, 2016705620]

約数ペア:

[(1, 2016705620), (2, 1008352810), (4, 504176405), (5, 403341124), (10, 201670562), (20, 100835281), (31, 65055020), (62, 32527510), (124, 16263755), (155, 13011004), (181, 11142020), (310, 6505502), (362, 5571010), (620, 3252751), (724, 2785505), (905, 2228404), (1810, 1114202), (3620, 557101), (5611, 359420), (11222, 179710), (17971, 112220), (22444, 89855), (28055, 71884), (35942, 56110)]