20408065858

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{12697}}^1$

素因数の和:12982

約数の個数: 32

約数和(自身を含む): 31628686320

約数和(自身を除く): 11220620462

約数列:

[1, 2, 73, 101, 109, 146, 202, 218, 7373, 7957, 11009, 12697, 14746, 15914, 22018, 25394, 803657, 926881, 1282397, 1383973, 1607314, 1853762, 2564794, 2767946, 93614981, 101030029, 139781273, 187229962, 202060058, 279562546, 10204032929, 20408065858]

約数ペア:

[(1, 20408065858), (2, 10204032929), (73, 279562546), (101, 202060058), (109, 187229962), (146, 139781273), (202, 101030029), (218, 93614981), (7373, 2767946), (7957, 2564794), (11009, 1853762), (12697, 1607314), (14746, 1383973), (15914, 1282397), (22018, 926881), (25394, 803657)]