20201738030

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{397}}^1\times {\mathrm{2503}}^1$

素因数の和:3033

約数の個数: 64

約数和(自身を含む): 38747496960

約数和(自身を除く): 18545758930

約数列:

[1, 2, 5, 10, 19, 38, 95, 107, 190, 214, 397, 535, 794, 1070, 1985, 2033, 2503, 3970, 4066, 5006, 7543, 10165, 12515, 15086, 20330, 25030, 37715, 42479, 47557, 75430, 84958, 95114, 212395, 237785, 267821, 424790, 475570, 535642, 807101, 993691, 1339105, 1614202, 1987382, 2678210, 4035505, 4968455, 5088599, 8071010, 9936910, 10177198, 18880129, 25442995, 37760258, 50885990, 94400645, 106324937, 188801290, 212649874, 531624685, 1063249370, 2020173803, 4040347606, 10100869015, 20201738030]

約数ペア:

[(1, 20201738030), (2, 10100869015), (5, 4040347606), (10, 2020173803), (19, 1063249370), (38, 531624685), (95, 212649874), (107, 188801290), (190, 106324937), (214, 94400645), (397, 50885990), (535, 37760258), (794, 25442995), (1070, 18880129), (1985, 10177198), (2033, 9936910), (2503, 8071010), (3970, 5088599), (4066, 4968455), (5006, 4035505), (7543, 2678210), (10165, 1987382), (12515, 1614202), (15086, 1339105), (20330, 993691), (25030, 807101), (37715, 535642), (42479, 475570), (47557, 424790), (75430, 267821), (84958, 237785), (95114, 212395)]