20101080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7283}}^1$

素因数の和:7320

約数の個数: 64

約数和(自身を含む): 62933760

約数和(自身を除く): 42832680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 7283, 14566, 21849, 29132, 36415, 43698, 58264, 72830, 87396, 109245, 145660, 167509, 174792, 218490, 291320, 335018, 436980, 502527, 670036, 837545, 873960, 1005054, 1340072, 1675090, 2010108, 2512635, 3350180, 4020216, 5025270, 6700360, 10050540, 20101080]

約数ペア:

[(1, 20101080), (2, 10050540), (3, 6700360), (4, 5025270), (5, 4020216), (6, 3350180), (8, 2512635), (10, 2010108), (12, 1675090), (15, 1340072), (20, 1005054), (23, 873960), (24, 837545), (30, 670036), (40, 502527), (46, 436980), (60, 335018), (69, 291320), (92, 218490), (115, 174792), (120, 167509), (138, 145660), (184, 109245), (230, 87396), (276, 72830), (345, 58264), (460, 43698), (552, 36415), (690, 29132), (920, 21849), (1380, 14566), (2760, 7283)]