20973360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2819}}^1$

素因数の和:2866

約数の個数: 80

約数和(自身を含む): 67138560

約数和(自身を除く): 46165200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 2819, 3720, 5638, 7440, 8457, 11276, 14095, 16914, 22552, 28190, 33828, 42285, 45104, 56380, 67656, 84570, 87389, 112760, 135312, 169140, 174778, 225520, 262167, 338280, 349556, 436945, 524334, 676560, 699112, 873890, 1048668, 1310835, 1398224, 1747780, 2097336, 2621670, 3495560, 4194672, 5243340, 6991120, 10486680, 20973360]

約数ペア:

[(1, 20973360), (2, 10486680), (3, 6991120), (4, 5243340), (5, 4194672), (6, 3495560), (8, 2621670), (10, 2097336), (12, 1747780), (15, 1398224), (16, 1310835), (20, 1048668), (24, 873890), (30, 699112), (31, 676560), (40, 524334), (48, 436945), (60, 349556), (62, 338280), (80, 262167), (93, 225520), (120, 174778), (124, 169140), (155, 135312), (186, 112760), (240, 87389), (248, 84570), (310, 67656), (372, 56380), (465, 45104), (496, 42285), (620, 33828), (744, 28190), (930, 22552), (1240, 16914), (1488, 14095), (1860, 11276), (2480, 8457), (2819, 7440), (3720, 5638)]