20148661720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2410127}}^1$

素因数の和:2410168

約数の個数: 64

約数和(自身を含む): 52058764800

約数和(自身を除く): 31910103080

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 8360, 2410127, 4820254, 9640508, 12050635, 19281016, 24101270, 26511397, 45792413, 48202540, 53022794, 91584826, 96405080, 106045588, 132556985, 183169652, 212091176, 228962065, 265113970, 366339304, 457924130, 503716543, 530227940, 915848260, 1007433086, 1060455880, 1831696520, 2014866172, 2518582715, 4029732344, 5037165430, 10074330860, 20148661720]

約数ペア:

[(1, 20148661720), (2, 10074330860), (4, 5037165430), (5, 4029732344), (8, 2518582715), (10, 2014866172), (11, 1831696520), (19, 1060455880), (20, 1007433086), (22, 915848260), (38, 530227940), (40, 503716543), (44, 457924130), (55, 366339304), (76, 265113970), (88, 228962065), (95, 212091176), (110, 183169652), (152, 132556985), (190, 106045588), (209, 96405080), (220, 91584826), (380, 53022794), (418, 48202540), (440, 45792413), (760, 26511397), (836, 24101270), (1045, 19281016), (1672, 12050635), (2090, 9640508), (4180, 4820254), (8360, 2410127)]