20176937775

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{46153}}^1$

素因数の和:46265

約数の個数: 72

約数和(自身を含む): 37944126480

約数和(自身を除く): 17767188705

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 67, 75, 87, 145, 201, 225, 261, 335, 435, 603, 725, 1005, 1305, 1675, 1943, 2175, 3015, 5025, 5829, 6525, 9715, 15075, 17487, 29145, 46153, 48575, 87435, 138459, 145725, 230765, 415377, 437175, 692295, 1153825, 1338437, 2076885, 3092251, 3461475, 4015311, 6692185, 9276753, 10384425, 12045933, 15461255, 20076555, 27830259, 33460925, 46383765, 60229665, 77306275, 89675279, 100382775, 139151295, 231918825, 269025837, 301148325, 448376395, 695756475, 807077511, 1345129185, 2241881975, 4035387555, 6725645925, 20176937775]

約数ペア:

[(1, 20176937775), (3, 6725645925), (5, 4035387555), (9, 2241881975), (15, 1345129185), (25, 807077511), (29, 695756475), (45, 448376395), (67, 301148325), (75, 269025837), (87, 231918825), (145, 139151295), (201, 100382775), (225, 89675279), (261, 77306275), (335, 60229665), (435, 46383765), (603, 33460925), (725, 27830259), (1005, 20076555), (1305, 15461255), (1675, 12045933), (1943, 10384425), (2175, 9276753), (3015, 6692185), (5025, 4015311), (5829, 3461475), (6525, 3092251), (9715, 2076885), (15075, 1338437), (17487, 1153825), (29145, 692295), (46153, 437175), (48575, 415377), (87435, 230765), (138459, 145725)]