20953500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:312

約数の個数: 96

約数和(自身を含む): 62287680

約数和(自身を除く): 41334180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 61, 75, 100, 122, 125, 150, 183, 229, 244, 250, 300, 305, 366, 375, 458, 500, 610, 687, 732, 750, 915, 916, 1145, 1220, 1374, 1500, 1525, 1830, 2290, 2748, 3050, 3435, 3660, 4575, 4580, 5725, 6100, 6870, 7625, 9150, 11450, 13740, 13969, 15250, 17175, 18300, 22875, 22900, 27938, 28625, 30500, 34350, 41907, 45750, 55876, 57250, 68700, 69845, 83814, 85875, 91500, 114500, 139690, 167628, 171750, 209535, 279380, 343500, 349225, 419070, 698450, 838140, 1047675, 1396900, 1746125, 2095350, 3492250, 4190700, 5238375, 6984500, 10476750, 20953500]

約数ペア:

[(1, 20953500), (2, 10476750), (3, 6984500), (4, 5238375), (5, 4190700), (6, 3492250), (10, 2095350), (12, 1746125), (15, 1396900), (20, 1047675), (25, 838140), (30, 698450), (50, 419070), (60, 349225), (61, 343500), (75, 279380), (100, 209535), (122, 171750), (125, 167628), (150, 139690), (183, 114500), (229, 91500), (244, 85875), (250, 83814), (300, 69845), (305, 68700), (366, 57250), (375, 55876), (458, 45750), (500, 41907), (610, 34350), (687, 30500), (732, 28625), (750, 27938), (915, 22900), (916, 22875), (1145, 18300), (1220, 17175), (1374, 15250), (1500, 13969), (1525, 13740), (1830, 11450), (2290, 9150), (2748, 7625), (3050, 6870), (3435, 6100), (3660, 5725), (4575, 4580)]