20252300

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 46663680

約数和(自身を除く): 26411380

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 47, 50, 62, 94, 100, 124, 139, 155, 188, 235, 278, 310, 470, 556, 620, 695, 775, 940, 1175, 1390, 1457, 1550, 2350, 2780, 2914, 3100, 3475, 4309, 4700, 5828, 6533, 6950, 7285, 8618, 13066, 13900, 14570, 17236, 21545, 26132, 29140, 32665, 36425, 43090, 65330, 72850, 86180, 107725, 130660, 145700, 163325, 202523, 215450, 326650, 405046, 430900, 653300, 810092, 1012615, 2025230, 4050460, 5063075, 10126150, 20252300]

約数ペア:

[(1, 20252300), (2, 10126150), (4, 5063075), (5, 4050460), (10, 2025230), (20, 1012615), (25, 810092), (31, 653300), (47, 430900), (50, 405046), (62, 326650), (94, 215450), (100, 202523), (124, 163325), (139, 145700), (155, 130660), (188, 107725), (235, 86180), (278, 72850), (310, 65330), (470, 43090), (556, 36425), (620, 32665), (695, 29140), (775, 26132), (940, 21545), (1175, 17236), (1390, 14570), (1457, 13900), (1550, 13066), (2350, 8618), (2780, 7285), (2914, 6950), (3100, 6533), (3475, 5828), (4309, 4700)]