20139794925

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{1997}}^1\times {\mathrm{2861}}^1$

素因数の和:4918

約数の個数: 48

約数和(自身を含む): 34035178752

約数和(自身を除く): 13895383827

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 235, 705, 1175, 1997, 2861, 3525, 5991, 8583, 9985, 14305, 29955, 42915, 49925, 71525, 93859, 134467, 149775, 214575, 281577, 403401, 469295, 672335, 1407885, 2017005, 2346475, 3361675, 5713417, 7039425, 10085025, 17140251, 28567085, 85701255, 142835425, 268530599, 428506275, 805591797, 1342652995, 4027958985, 6713264975, 20139794925]

約数ペア:

[(1, 20139794925), (3, 6713264975), (5, 4027958985), (15, 1342652995), (25, 805591797), (47, 428506275), (75, 268530599), (141, 142835425), (235, 85701255), (705, 28567085), (1175, 17140251), (1997, 10085025), (2861, 7039425), (3525, 5713417), (5991, 3361675), (8583, 2346475), (9985, 2017005), (14305, 1407885), (29955, 672335), (42915, 469295), (49925, 403401), (71525, 281577), (93859, 214575), (134467, 149775)]