20147642128

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{821}}^1\times {\mathrm{14891}}^1$

素因数の和:15823

約数の個数: 40

約数和(自身を含む): 39465706176

約数和(自身を除く): 19318064048

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 821, 824, 1642, 1648, 3284, 6568, 13136, 14891, 29782, 59564, 84563, 119128, 169126, 238256, 338252, 676504, 1353008, 1533773, 3067546, 6135092, 12225511, 12270184, 24451022, 24540368, 48902044, 97804088, 195608176, 1259227633, 2518455266, 5036910532, 10073821064, 20147642128]

約数ペア:

[(1, 20147642128), (2, 10073821064), (4, 5036910532), (8, 2518455266), (16, 1259227633), (103, 195608176), (206, 97804088), (412, 48902044), (821, 24540368), (824, 24451022), (1642, 12270184), (1648, 12225511), (3284, 6135092), (6568, 3067546), (13136, 1533773), (14891, 1353008), (29782, 676504), (59564, 338252), (84563, 238256), (119128, 169126)]