20681310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2791}}^1$

素因数の和:2833

約数の個数: 64

約数和(自身を含む): 56286720

約数和(自身を除く): 35605410

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 190, 195, 247, 285, 390, 494, 570, 741, 1235, 1482, 2470, 2791, 3705, 5582, 7410, 8373, 13955, 16746, 27910, 36283, 41865, 53029, 72566, 83730, 106058, 108849, 159087, 181415, 217698, 265145, 318174, 362830, 530290, 544245, 689377, 795435, 1088490, 1378754, 1590870, 2068131, 3446885, 4136262, 6893770, 10340655, 20681310]

約数ペア:

[(1, 20681310), (2, 10340655), (3, 6893770), (5, 4136262), (6, 3446885), (10, 2068131), (13, 1590870), (15, 1378754), (19, 1088490), (26, 795435), (30, 689377), (38, 544245), (39, 530290), (57, 362830), (65, 318174), (78, 265145), (95, 217698), (114, 181415), (130, 159087), (190, 108849), (195, 106058), (247, 83730), (285, 72566), (390, 53029), (494, 41865), (570, 36283), (741, 27910), (1235, 16746), (1482, 13955), (2470, 8373), (2791, 7410), (3705, 5582)]