20551410550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{177091}}^1$

素因数の和:177325

約数の個数: 48

約数和(自身を含む): 41898550464

約数和(自身を除く): 21347139914

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 211, 275, 422, 550, 1055, 2110, 2321, 4642, 5275, 10550, 11605, 23210, 58025, 116050, 177091, 354182, 885455, 1770910, 1948001, 3896002, 4427275, 8854550, 9740005, 19480010, 37366201, 48700025, 74732402, 97400050, 186831005, 373662010, 411028211, 822056422, 934155025, 1868310050, 2055141055, 4110282110, 10275705275, 20551410550]

約数ペア:

[(1, 20551410550), (2, 10275705275), (5, 4110282110), (10, 2055141055), (11, 1868310050), (22, 934155025), (25, 822056422), (50, 411028211), (55, 373662010), (110, 186831005), (211, 97400050), (275, 74732402), (422, 48700025), (550, 37366201), (1055, 19480010), (2110, 9740005), (2321, 8854550), (4642, 4427275), (5275, 3896002), (10550, 1948001), (11605, 1770910), (23210, 885455), (58025, 354182), (116050, 177091)]