20143153960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3571}}^1\times {\mathrm{4549}}^1$

素因数の和:8162

約数の個数: 64

約数和(自身を含む): 46807488000

約数和(自身を除く): 26664334040

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 3571, 4549, 7142, 9098, 14284, 17855, 18196, 22745, 28568, 35710, 36392, 45490, 71420, 90980, 110701, 141019, 142840, 181960, 221402, 282038, 442804, 553505, 564076, 705095, 885608, 1107010, 1128152, 1410190, 2214020, 2820380, 4428040, 5640760, 16244479, 32488958, 64977916, 81222395, 129955832, 162444790, 324889580, 503578849, 649779160, 1007157698, 2014315396, 2517894245, 4028630792, 5035788490, 10071576980, 20143153960]

約数ペア:

[(1, 20143153960), (2, 10071576980), (4, 5035788490), (5, 4028630792), (8, 2517894245), (10, 2014315396), (20, 1007157698), (31, 649779160), (40, 503578849), (62, 324889580), (124, 162444790), (155, 129955832), (248, 81222395), (310, 64977916), (620, 32488958), (1240, 16244479), (3571, 5640760), (4549, 4428040), (7142, 2820380), (9098, 2214020), (14284, 1410190), (17855, 1128152), (18196, 1107010), (22745, 885608), (28568, 705095), (35710, 564076), (36392, 553505), (45490, 442804), (71420, 282038), (90980, 221402), (110701, 181960), (141019, 142840)]