20156831036

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{145009}}^1$

素因数の和:145122

約数の個数: 48

約数和(自身を含む): 38978688000

約数和(自身を除く): 18821856964

約数列:

[1, 2, 4, 19, 31, 38, 59, 62, 76, 118, 124, 236, 589, 1121, 1178, 1829, 2242, 2356, 3658, 4484, 7316, 34751, 69502, 139004, 145009, 290018, 580036, 2755171, 4495279, 5510342, 8555531, 8990558, 11020684, 17111062, 17981116, 34222124, 85410301, 162555089, 170820602, 265221461, 325110178, 341641204, 530442922, 650220356, 1060885844, 5039207759, 10078415518, 20156831036]

約数ペア:

[(1, 20156831036), (2, 10078415518), (4, 5039207759), (19, 1060885844), (31, 650220356), (38, 530442922), (59, 341641204), (62, 325110178), (76, 265221461), (118, 170820602), (124, 162555089), (236, 85410301), (589, 34222124), (1121, 17981116), (1178, 17111062), (1829, 11020684), (2242, 8990558), (2356, 8555531), (3658, 5510342), (4484, 4495279), (7316, 2755171), (34751, 580036), (69502, 290018), (139004, 145009)]