20512201996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{83203}}^1$

素因数の和:83662

約数の個数: 48

約数和(自身を含む): 42270294528

約数和(自身を除く): 21758092532

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 431, 572, 862, 1724, 4741, 5603, 9482, 11206, 18964, 22412, 61633, 83203, 123266, 166406, 246532, 332812, 915233, 1081639, 1830466, 2163278, 3660932, 4326556, 11898029, 23796058, 35860493, 47592116, 71720986, 143441972, 394465423, 466186409, 788930846, 932372818, 1577861692, 1864745636, 5128050499, 10256100998, 20512201996]

約数ペア:

[(1, 20512201996), (2, 10256100998), (4, 5128050499), (11, 1864745636), (13, 1577861692), (22, 932372818), (26, 788930846), (44, 466186409), (52, 394465423), (143, 143441972), (286, 71720986), (431, 47592116), (572, 35860493), (862, 23796058), (1724, 11898029), (4741, 4326556), (5603, 3660932), (9482, 2163278), (11206, 1830466), (18964, 1081639), (22412, 915233), (61633, 332812), (83203, 246532), (123266, 166406)]