20173944978

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{919}}^1\times {\mathrm{10079}}^1$

素因数の和:11028

約数の個数: 72

約数和(自身を含む): 48102163200

約数和(自身を除く): 27928218222

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 198, 242, 363, 726, 919, 1089, 1838, 2178, 2757, 5514, 8271, 10079, 10109, 16542, 20158, 20218, 30237, 30327, 60474, 60654, 90711, 90981, 110869, 111199, 181422, 181962, 221738, 222398, 332607, 333597, 665214, 667194, 997821, 1000791, 1219559, 1995642, 2001582, 2439118, 3658677, 7317354, 9262601, 10976031, 18525202, 21952062, 27787803, 55575606, 83363409, 101888611, 166726818, 203777222, 305665833, 611331666, 916997499, 1120774721, 1833994998, 2241549442, 3362324163, 6724648326, 10086972489, 20173944978]

約数ペア:

[(1, 20173944978), (2, 10086972489), (3, 6724648326), (6, 3362324163), (9, 2241549442), (11, 1833994998), (18, 1120774721), (22, 916997499), (33, 611331666), (66, 305665833), (99, 203777222), (121, 166726818), (198, 101888611), (242, 83363409), (363, 55575606), (726, 27787803), (919, 21952062), (1089, 18525202), (1838, 10976031), (2178, 9262601), (2757, 7317354), (5514, 3658677), (8271, 2439118), (10079, 2001582), (10109, 1995642), (16542, 1219559), (20158, 1000791), (20218, 997821), (30237, 667194), (30327, 665214), (60474, 333597), (60654, 332607), (90711, 222398), (90981, 221738), (110869, 181962), (111199, 181422)]