20746206

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{9851}}^1$

素因数の和:9878

約数の個数: 40

約数和(自身を含む): 50067864

約数和(自身を除く): 29321658

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 9851, 19702, 29553, 59106, 88659, 128063, 177318, 256126, 265977, 384189, 531954, 768378, 797931, 1152567, 1595862, 2305134, 3457701, 6915402, 10373103, 20746206]

約数ペア:

[(1, 20746206), (2, 10373103), (3, 6915402), (6, 3457701), (9, 2305134), (13, 1595862), (18, 1152567), (26, 797931), (27, 768378), (39, 531954), (54, 384189), (78, 265977), (81, 256126), (117, 177318), (162, 128063), (234, 88659), (351, 59106), (702, 29553), (1053, 19702), (2106, 9851)]