20089230

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{353}}^1$

素因数の和:641

約数の個数: 64

約数和(自身を含む): 55461888

約数和(自身を除く): 35372658

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 271, 353, 542, 706, 813, 1059, 1355, 1626, 1765, 1897, 2118, 2471, 2710, 3530, 3794, 4065, 4942, 5295, 5691, 7413, 8130, 9485, 10590, 11382, 12355, 14826, 18970, 24710, 28455, 37065, 56910, 74130, 95663, 191326, 286989, 478315, 573978, 669641, 956630, 1339282, 1434945, 2008923, 2869890, 3348205, 4017846, 6696410, 10044615, 20089230]

約数ペア:

[(1, 20089230), (2, 10044615), (3, 6696410), (5, 4017846), (6, 3348205), (7, 2869890), (10, 2008923), (14, 1434945), (15, 1339282), (21, 956630), (30, 669641), (35, 573978), (42, 478315), (70, 286989), (105, 191326), (210, 95663), (271, 74130), (353, 56910), (542, 37065), (706, 28455), (813, 24710), (1059, 18970), (1355, 14826), (1626, 12355), (1765, 11382), (1897, 10590), (2118, 9485), (2471, 8130), (2710, 7413), (3530, 5691), (3794, 5295), (4065, 4942)]