20944680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10267}}^1$

素因数の和:10298

約数の個数: 64

約数和(自身を含む): 66536640

約数和(自身を除く): 45591960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 10267, 20534, 30801, 41068, 51335, 61602, 82136, 102670, 123204, 154005, 174539, 205340, 246408, 308010, 349078, 410680, 523617, 616020, 698156, 872695, 1047234, 1232040, 1396312, 1745390, 2094468, 2618085, 3490780, 4188936, 5236170, 6981560, 10472340, 20944680]

約数ペア:

[(1, 20944680), (2, 10472340), (3, 6981560), (4, 5236170), (5, 4188936), (6, 3490780), (8, 2618085), (10, 2094468), (12, 1745390), (15, 1396312), (17, 1232040), (20, 1047234), (24, 872695), (30, 698156), (34, 616020), (40, 523617), (51, 410680), (60, 349078), (68, 308010), (85, 246408), (102, 205340), (120, 174539), (136, 154005), (170, 123204), (204, 102670), (255, 82136), (340, 61602), (408, 51335), (510, 41068), (680, 30801), (1020, 20534), (2040, 10267)]