20636700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:372

約数の個数: 144

約数和(自身を含む): 70662144

約数和(自身を除く): 50025444

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 31, 35, 42, 50, 60, 62, 70, 75, 84, 93, 100, 105, 124, 140, 150, 155, 175, 186, 210, 217, 300, 310, 317, 350, 372, 420, 434, 465, 525, 620, 634, 651, 700, 775, 868, 930, 951, 1050, 1085, 1268, 1302, 1550, 1585, 1860, 1902, 2100, 2170, 2219, 2325, 2604, 3100, 3170, 3255, 3804, 4340, 4438, 4650, 4755, 5425, 6340, 6510, 6657, 7925, 8876, 9300, 9510, 9827, 10850, 11095, 13020, 13314, 15850, 16275, 19020, 19654, 21700, 22190, 23775, 26628, 29481, 31700, 32550, 33285, 39308, 44380, 47550, 49135, 55475, 58962, 65100, 66570, 68789, 95100, 98270, 110950, 117924, 133140, 137578, 147405, 166425, 196540, 206367, 221900, 245675, 275156, 294810, 332850, 343945, 412734, 491350, 589620, 665700, 687890, 737025, 825468, 982700, 1031835, 1375780, 1474050, 1719725, 2063670, 2948100, 3439450, 4127340, 5159175, 6878900, 10318350, 20636700]

約数ペア:

[(1, 20636700), (2, 10318350), (3, 6878900), (4, 5159175), (5, 4127340), (6, 3439450), (7, 2948100), (10, 2063670), (12, 1719725), (14, 1474050), (15, 1375780), (20, 1031835), (21, 982700), (25, 825468), (28, 737025), (30, 687890), (31, 665700), (35, 589620), (42, 491350), (50, 412734), (60, 343945), (62, 332850), (70, 294810), (75, 275156), (84, 245675), (93, 221900), (100, 206367), (105, 196540), (124, 166425), (140, 147405), (150, 137578), (155, 133140), (175, 117924), (186, 110950), (210, 98270), (217, 95100), (300, 68789), (310, 66570), (317, 65100), (350, 58962), (372, 55475), (420, 49135), (434, 47550), (465, 44380), (525, 39308), (620, 33285), (634, 32550), (651, 31700), (700, 29481), (775, 26628), (868, 23775), (930, 22190), (951, 21700), (1050, 19654), (1085, 19020), (1268, 16275), (1302, 15850), (1550, 13314), (1585, 13020), (1860, 11095), (1902, 10850), (2100, 9827), (2170, 9510), (2219, 9300), (2325, 8876), (2604, 7925), (3100, 6657), (3170, 6510), (3255, 6340), (3804, 5425), (4340, 4755), (4438, 4650)]