20121164539

素因数分解:

$7^2\times {\mathrm{113}}^1\times {\mathrm{1429}}^1\times {\mathrm{2543}}^1$

素因数の和:4099

約数の個数: 24

約数和(自身を含む): 23639204160

約数和(自身を除く): 3518039621

約数列:

[1, 7, 49, 113, 791, 1429, 2543, 5537, 10003, 17801, 70021, 124607, 161477, 287359, 1130339, 2011513, 3633947, 7912373, 14080591, 25437629, 178063403, 410636011, 2874452077, 20121164539]

約数ペア:

[(1, 20121164539), (7, 2874452077), (49, 410636011), (113, 178063403), (791, 25437629), (1429, 14080591), (2543, 7912373), (5537, 3633947), (10003, 2011513), (17801, 1130339), (70021, 287359), (124607, 161477)]