20165202550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{60821}}^1$

素因数の和:61201

約数の個数: 48

約数和(自身を含む): 39595122000

約数和(自身を除く): 19429919450

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 349, 475, 698, 950, 1745, 3490, 6631, 8725, 13262, 17450, 33155, 60821, 66310, 121642, 165775, 304105, 331550, 608210, 1155599, 1520525, 2311198, 3041050, 5777995, 11555990, 21226529, 28889975, 42453058, 57779950, 106132645, 212265290, 403304051, 530663225, 806608102, 1061326450, 2016520255, 4033040510, 10082601275, 20165202550]

約数ペア:

[(1, 20165202550), (2, 10082601275), (5, 4033040510), (10, 2016520255), (19, 1061326450), (25, 806608102), (38, 530663225), (50, 403304051), (95, 212265290), (190, 106132645), (349, 57779950), (475, 42453058), (698, 28889975), (950, 21226529), (1745, 11555990), (3490, 5777995), (6631, 3041050), (8725, 2311198), (13262, 1520525), (17450, 1155599), (33155, 608210), (60821, 331550), (66310, 304105), (121642, 165775)]