20090910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3299}}^1$

素因数の和:3345

約数の個数: 64

約数和(自身を含む): 57024000

約数和(自身を除く): 36933090

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 58, 70, 87, 105, 145, 174, 203, 210, 290, 406, 435, 609, 870, 1015, 1218, 2030, 3045, 3299, 6090, 6598, 9897, 16495, 19794, 23093, 32990, 46186, 49485, 69279, 95671, 98970, 115465, 138558, 191342, 230930, 287013, 346395, 478355, 574026, 669697, 692790, 956710, 1339394, 1435065, 2009091, 2870130, 3348485, 4018182, 6696970, 10045455, 20090910]

約数ペア:

[(1, 20090910), (2, 10045455), (3, 6696970), (5, 4018182), (6, 3348485), (7, 2870130), (10, 2009091), (14, 1435065), (15, 1339394), (21, 956710), (29, 692790), (30, 669697), (35, 574026), (42, 478355), (58, 346395), (70, 287013), (87, 230930), (105, 191342), (145, 138558), (174, 115465), (203, 98970), (210, 95671), (290, 69279), (406, 49485), (435, 46186), (609, 32990), (870, 23093), (1015, 19794), (1218, 16495), (2030, 9897), (3045, 6598), (3299, 6090)]