20660880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2777}}^1$

素因数の和:2824

約数の個数: 80

約数和(自身を含む): 66138624

約数和(自身を除く): 45477744

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, 2777, 3720, 5554, 7440, 8331, 11108, 13885, 16662, 22216, 27770, 33324, 41655, 44432, 55540, 66648, 83310, 86087, 111080, 133296, 166620, 172174, 222160, 258261, 333240, 344348, 430435, 516522, 666480, 688696, 860870, 1033044, 1291305, 1377392, 1721740, 2066088, 2582610, 3443480, 4132176, 5165220, 6886960, 10330440, 20660880]

約数ペア:

[(1, 20660880), (2, 10330440), (3, 6886960), (4, 5165220), (5, 4132176), (6, 3443480), (8, 2582610), (10, 2066088), (12, 1721740), (15, 1377392), (16, 1291305), (20, 1033044), (24, 860870), (30, 688696), (31, 666480), (40, 516522), (48, 430435), (60, 344348), (62, 333240), (80, 258261), (93, 222160), (120, 172174), (124, 166620), (155, 133296), (186, 111080), (240, 86087), (248, 83310), (310, 66648), (372, 55540), (465, 44432), (496, 41655), (620, 33324), (744, 27770), (930, 22216), (1240, 16662), (1488, 13885), (1860, 11108), (2480, 8331), (2777, 7440), (3720, 5554)]