20346900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{9689}}^1$

素因数の和:9713

約数の個数: 72

約数和(自身を含む): 67287360

約数和(自身を除く): 46940460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 9689, 19378, 29067, 38756, 48445, 58134, 67823, 96890, 116268, 135646, 145335, 193780, 203469, 242225, 271292, 290670, 339115, 406938, 484450, 581340, 678230, 726675, 813876, 968900, 1017345, 1356460, 1453350, 1695575, 2034690, 2906700, 3391150, 4069380, 5086725, 6782300, 10173450, 20346900]

約数ペア:

[(1, 20346900), (2, 10173450), (3, 6782300), (4, 5086725), (5, 4069380), (6, 3391150), (7, 2906700), (10, 2034690), (12, 1695575), (14, 1453350), (15, 1356460), (20, 1017345), (21, 968900), (25, 813876), (28, 726675), (30, 678230), (35, 581340), (42, 484450), (50, 406938), (60, 339115), (70, 290670), (75, 271292), (84, 242225), (100, 203469), (105, 193780), (140, 145335), (150, 135646), (175, 116268), (210, 96890), (300, 67823), (350, 58134), (420, 48445), (525, 38756), (700, 29067), (1050, 19378), (2100, 9689)]