20494380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{14851}}^1$

素因数の和:14886

約数の個数: 48

約数和(自身を含む): 59883264

約数和(自身を除く): 39388884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 14851, 29702, 44553, 59404, 74255, 89106, 148510, 178212, 222765, 297020, 341573, 445530, 683146, 891060, 1024719, 1366292, 1707865, 2049438, 3415730, 4098876, 5123595, 6831460, 10247190, 20494380]

約数ペア:

[(1, 20494380), (2, 10247190), (3, 6831460), (4, 5123595), (5, 4098876), (6, 3415730), (10, 2049438), (12, 1707865), (15, 1366292), (20, 1024719), (23, 891060), (30, 683146), (46, 445530), (60, 341573), (69, 297020), (92, 222765), (115, 178212), (138, 148510), (230, 89106), (276, 74255), (345, 59404), (460, 44553), (690, 29702), (1380, 14851)]