20182760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1049}}^1$

素因数の和:1110

約数の個数: 64

約数和(自身を含む): 50274000

約数和(自身を除く): 30091240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1049, 1480, 1924, 2098, 2405, 3848, 4196, 4810, 5245, 8392, 9620, 10490, 13637, 19240, 20980, 27274, 38813, 41960, 54548, 68185, 77626, 109096, 136370, 155252, 194065, 272740, 310504, 388130, 504569, 545480, 776260, 1009138, 1552520, 2018276, 2522845, 4036552, 5045690, 10091380, 20182760]

約数ペア:

[(1, 20182760), (2, 10091380), (4, 5045690), (5, 4036552), (8, 2522845), (10, 2018276), (13, 1552520), (20, 1009138), (26, 776260), (37, 545480), (40, 504569), (52, 388130), (65, 310504), (74, 272740), (104, 194065), (130, 155252), (148, 136370), (185, 109096), (260, 77626), (296, 68185), (370, 54548), (481, 41960), (520, 38813), (740, 27274), (962, 20980), (1049, 19240), (1480, 13637), (1924, 10490), (2098, 9620), (2405, 8392), (3848, 5245), (4196, 4810)]