20565523900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{63337}}^1$

素因数の和:63559

約数の個数: 72

約数和(自身を含む): 47500459776

約数和(自身を除く): 26934935876

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 191, 340, 382, 425, 764, 850, 955, 1700, 1910, 3247, 3820, 4775, 6494, 9550, 12988, 16235, 19100, 32470, 63337, 64940, 81175, 126674, 162350, 253348, 316685, 324700, 633370, 1076729, 1266740, 1583425, 2153458, 3166850, 4306916, 5383645, 6333700, 10767290, 12097367, 21534580, 24194734, 26918225, 48389468, 53836450, 60486835, 107672900, 120973670, 205655239, 241947340, 302434175, 411310478, 604868350, 822620956, 1028276195, 1209736700, 2056552390, 4113104780, 5141380975, 10282761950, 20565523900]

約数ペア:

[(1, 20565523900), (2, 10282761950), (4, 5141380975), (5, 4113104780), (10, 2056552390), (17, 1209736700), (20, 1028276195), (25, 822620956), (34, 604868350), (50, 411310478), (68, 302434175), (85, 241947340), (100, 205655239), (170, 120973670), (191, 107672900), (340, 60486835), (382, 53836450), (425, 48389468), (764, 26918225), (850, 24194734), (955, 21534580), (1700, 12097367), (1910, 10767290), (3247, 6333700), (3820, 5383645), (4775, 4306916), (6494, 3166850), (9550, 2153458), (12988, 1583425), (16235, 1266740), (19100, 1076729), (32470, 633370), (63337, 324700), (64940, 316685), (81175, 253348), (126674, 162350)]