20713590968

素因数分解:

$2^3\times 7^1\times {\mathrm{919}}^1\times {\mathrm{402487}}^1$

素因数の和:403419

約数の個数: 32

約数和(自身を含む): 44434675200

約数和(自身を除く): 23721084232

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 919, 1838, 3676, 6433, 7352, 12866, 25732, 51464, 402487, 804974, 1609948, 2817409, 3219896, 5634818, 11269636, 22539272, 369885553, 739771106, 1479542212, 2589198871, 2959084424, 5178397742, 10356795484, 20713590968]

約数ペア:

[(1, 20713590968), (2, 10356795484), (4, 5178397742), (7, 2959084424), (8, 2589198871), (14, 1479542212), (28, 739771106), (56, 369885553), (919, 22539272), (1838, 11269636), (3676, 5634818), (6433, 3219896), (7352, 2817409), (12866, 1609948), (25732, 804974), (51464, 402487)]