20331668

素因数分解:

$2^2\times 7^4\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:134

約数の個数: 60

約数和(自身を含む): 43527540

約数和(自身を除く): 23195872

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 73, 98, 116, 146, 196, 203, 292, 343, 406, 511, 686, 812, 1022, 1372, 1421, 2044, 2117, 2401, 2842, 3577, 4234, 4802, 5684, 7154, 8468, 9604, 9947, 14308, 14819, 19894, 25039, 29638, 39788, 50078, 59276, 69629, 100156, 103733, 139258, 175273, 207466, 278516, 350546, 414932, 701092, 726131, 1452262, 2904524, 5082917, 10165834, 20331668]

約数ペア:

[(1, 20331668), (2, 10165834), (4, 5082917), (7, 2904524), (14, 1452262), (28, 726131), (29, 701092), (49, 414932), (58, 350546), (73, 278516), (98, 207466), (116, 175273), (146, 139258), (196, 103733), (203, 100156), (292, 69629), (343, 59276), (406, 50078), (511, 39788), (686, 29638), (812, 25039), (1022, 19894), (1372, 14819), (1421, 14308), (2044, 9947), (2117, 9604), (2401, 8468), (2842, 7154), (3577, 5684), (4234, 4802)]