20046684

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 55106688

約数和(自身を除く): 35060004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 103, 147, 196, 206, 294, 309, 331, 412, 588, 618, 662, 721, 993, 1236, 1324, 1442, 1986, 2163, 2317, 2884, 3972, 4326, 4634, 5047, 6951, 8652, 9268, 10094, 13902, 15141, 16219, 20188, 27804, 30282, 32438, 34093, 48657, 60564, 64876, 68186, 97314, 102279, 136372, 194628, 204558, 238651, 409116, 477302, 715953, 954604, 1431906, 1670557, 2863812, 3341114, 5011671, 6682228, 10023342, 20046684]

約数ペア:

[(1, 20046684), (2, 10023342), (3, 6682228), (4, 5011671), (6, 3341114), (7, 2863812), (12, 1670557), (14, 1431906), (21, 954604), (28, 715953), (42, 477302), (49, 409116), (84, 238651), (98, 204558), (103, 194628), (147, 136372), (196, 102279), (206, 97314), (294, 68186), (309, 64876), (331, 60564), (412, 48657), (588, 34093), (618, 32438), (662, 30282), (721, 27804), (993, 20188), (1236, 16219), (1324, 15141), (1442, 13902), (1986, 10094), (2163, 9268), (2317, 8652), (2884, 6951), (3972, 5047), (4326, 4634)]