20604906

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5639}}^1$

素因数の和:5683

約数の個数: 48

約数和(自身を含む): 52790400

約数和(自身を除く): 32185494

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 58, 63, 87, 126, 174, 203, 261, 406, 522, 609, 1218, 1827, 3654, 5639, 11278, 16917, 33834, 39473, 50751, 78946, 101502, 118419, 163531, 236838, 327062, 355257, 490593, 710514, 981186, 1144717, 1471779, 2289434, 2943558, 3434151, 6868302, 10302453, 20604906]

約数ペア:

[(1, 20604906), (2, 10302453), (3, 6868302), (6, 3434151), (7, 2943558), (9, 2289434), (14, 1471779), (18, 1144717), (21, 981186), (29, 710514), (42, 490593), (58, 355257), (63, 327062), (87, 236838), (126, 163531), (174, 118419), (203, 101502), (261, 78946), (406, 50751), (522, 39473), (609, 33834), (1218, 16917), (1827, 11278), (3654, 5639)]