20347859620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4867909}}^1$

素因数の和:4867948

約数の個数: 48

約数和(自身を含む): 49068532800

約数和(自身を除く): 28720673180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 4867909, 9735818, 19471636, 24339545, 48679090, 53546999, 92490271, 97358180, 107093998, 184980542, 214187996, 267734995, 369961084, 462451355, 535469990, 924902710, 1017392981, 1070939980, 1849805420, 2034785962, 4069571924, 5086964905, 10173929810, 20347859620]

約数ペア:

[(1, 20347859620), (2, 10173929810), (4, 5086964905), (5, 4069571924), (10, 2034785962), (11, 1849805420), (19, 1070939980), (20, 1017392981), (22, 924902710), (38, 535469990), (44, 462451355), (55, 369961084), (76, 267734995), (95, 214187996), (110, 184980542), (190, 107093998), (209, 97358180), (220, 92490271), (380, 53546999), (418, 48679090), (836, 24339545), (1045, 19471636), (2090, 9735818), (4180, 4867909)]