20672760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9067}}^1$

素因数の和:9100

約数の個数: 64

約数和(自身を含む): 65289600

約数和(自身を除く): 44616840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 9067, 18134, 27201, 36268, 45335, 54402, 72536, 90670, 108804, 136005, 172273, 181340, 217608, 272010, 344546, 362680, 516819, 544020, 689092, 861365, 1033638, 1088040, 1378184, 1722730, 2067276, 2584095, 3445460, 4134552, 5168190, 6890920, 10336380, 20672760]

約数ペア:

[(1, 20672760), (2, 10336380), (3, 6890920), (4, 5168190), (5, 4134552), (6, 3445460), (8, 2584095), (10, 2067276), (12, 1722730), (15, 1378184), (19, 1088040), (20, 1033638), (24, 861365), (30, 689092), (38, 544020), (40, 516819), (57, 362680), (60, 344546), (76, 272010), (95, 217608), (114, 181340), (120, 172273), (152, 136005), (190, 108804), (228, 90670), (285, 72536), (380, 54402), (456, 45335), (570, 36268), (760, 27201), (1140, 18134), (2280, 9067)]