20175352900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{26557}}^1$

素因数の和:26749

約数の個数: 72

約数和(自身を含む): 44813756736

約数和(自身を除く): 24638403836

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 107, 142, 214, 284, 355, 428, 535, 710, 1070, 1420, 1775, 2140, 2675, 3550, 5350, 7100, 7597, 10700, 15194, 26557, 30388, 37985, 53114, 75970, 106228, 132785, 151940, 189925, 265570, 379850, 531140, 663925, 759700, 1327850, 1885547, 2655700, 2841599, 3771094, 5683198, 7542188, 9427735, 11366396, 14207995, 18855470, 28415990, 37710940, 47138675, 56831980, 71039975, 94277350, 142079950, 188554700, 201753529, 284159900, 403507058, 807014116, 1008767645, 2017535290, 4035070580, 5043838225, 10087676450, 20175352900]

約数ペア:

[(1, 20175352900), (2, 10087676450), (4, 5043838225), (5, 4035070580), (10, 2017535290), (20, 1008767645), (25, 807014116), (50, 403507058), (71, 284159900), (100, 201753529), (107, 188554700), (142, 142079950), (214, 94277350), (284, 71039975), (355, 56831980), (428, 47138675), (535, 37710940), (710, 28415990), (1070, 18855470), (1420, 14207995), (1775, 11366396), (2140, 9427735), (2675, 7542188), (3550, 5683198), (5350, 3771094), (7100, 2841599), (7597, 2655700), (10700, 1885547), (15194, 1327850), (26557, 759700), (30388, 663925), (37985, 531140), (53114, 379850), (75970, 265570), (106228, 189925), (132785, 151940)]