20221520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2089}}^1$

素因数の和:2124

約数の個数: 60

約数和(自身を含む): 51702420

約数和(自身を除く): 31480900

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2089, 2420, 4178, 4840, 8356, 9680, 10445, 16712, 20890, 22979, 33424, 41780, 45958, 83560, 91916, 114895, 167120, 183832, 229790, 252769, 367664, 459580, 505538, 919160, 1011076, 1263845, 1838320, 2022152, 2527690, 4044304, 5055380, 10110760, 20221520]

約数ペア:

[(1, 20221520), (2, 10110760), (4, 5055380), (5, 4044304), (8, 2527690), (10, 2022152), (11, 1838320), (16, 1263845), (20, 1011076), (22, 919160), (40, 505538), (44, 459580), (55, 367664), (80, 252769), (88, 229790), (110, 183832), (121, 167120), (176, 114895), (220, 91916), (242, 83560), (440, 45958), (484, 41780), (605, 33424), (880, 22979), (968, 20890), (1210, 16712), (1936, 10445), (2089, 9680), (2420, 8356), (4178, 4840)]