20670840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{857}}^1$

素因数の和:941

約数の個数: 96

約数和(自身を含む): 68262480

約数和(自身を除く): 47591640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 67, 72, 90, 120, 134, 180, 201, 268, 335, 360, 402, 536, 603, 670, 804, 857, 1005, 1206, 1340, 1608, 1714, 2010, 2412, 2571, 2680, 3015, 3428, 4020, 4285, 4824, 5142, 6030, 6856, 7713, 8040, 8570, 10284, 12060, 12855, 15426, 17140, 20568, 24120, 25710, 30852, 34280, 38565, 51420, 57419, 61704, 77130, 102840, 114838, 154260, 172257, 229676, 287095, 308520, 344514, 459352, 516771, 574190, 689028, 861285, 1033542, 1148380, 1378056, 1722570, 2067084, 2296760, 2583855, 3445140, 4134168, 5167710, 6890280, 10335420, 20670840]

約数ペア:

[(1, 20670840), (2, 10335420), (3, 6890280), (4, 5167710), (5, 4134168), (6, 3445140), (8, 2583855), (9, 2296760), (10, 2067084), (12, 1722570), (15, 1378056), (18, 1148380), (20, 1033542), (24, 861285), (30, 689028), (36, 574190), (40, 516771), (45, 459352), (60, 344514), (67, 308520), (72, 287095), (90, 229676), (120, 172257), (134, 154260), (180, 114838), (201, 102840), (268, 77130), (335, 61704), (360, 57419), (402, 51420), (536, 38565), (603, 34280), (670, 30852), (804, 25710), (857, 24120), (1005, 20568), (1206, 17140), (1340, 15426), (1608, 12855), (1714, 12060), (2010, 10284), (2412, 8570), (2571, 8040), (2680, 7713), (3015, 6856), (3428, 6030), (4020, 5142), (4285, 4824)]