20013792

素因数分解:

$2^5\times 3^1\times {\mathrm{163}}^1\times {\mathrm{1279}}^1$

素因数の和:1455

約数の個数: 48

約数和(自身を含む): 52899840

約数和(自身を除く): 32886048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 163, 326, 489, 652, 978, 1279, 1304, 1956, 2558, 2608, 3837, 3912, 5116, 5216, 7674, 7824, 10232, 15348, 15648, 20464, 30696, 40928, 61392, 122784, 208477, 416954, 625431, 833908, 1250862, 1667816, 2501724, 3335632, 5003448, 6671264, 10006896, 20013792]

約数ペア:

[(1, 20013792), (2, 10006896), (3, 6671264), (4, 5003448), (6, 3335632), (8, 2501724), (12, 1667816), (16, 1250862), (24, 833908), (32, 625431), (48, 416954), (96, 208477), (163, 122784), (326, 61392), (489, 40928), (652, 30696), (978, 20464), (1279, 15648), (1304, 15348), (1956, 10232), (2558, 7824), (2608, 7674), (3837, 5216), (3912, 5116)]