20479230

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:343

約数の個数: 80

約数和(自身を含む): 55774224

約数和(自身を除く): 35294994

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 131, 135, 162, 193, 262, 270, 386, 393, 405, 579, 655, 786, 810, 965, 1158, 1179, 1310, 1737, 1930, 1965, 2358, 2895, 3474, 3537, 3930, 5211, 5790, 5895, 7074, 8685, 10422, 10611, 11790, 15633, 17370, 17685, 21222, 25283, 26055, 31266, 35370, 50566, 52110, 53055, 75849, 78165, 106110, 126415, 151698, 156330, 227547, 252830, 379245, 455094, 682641, 758490, 1137735, 1365282, 2047923, 2275470, 3413205, 4095846, 6826410, 10239615, 20479230]

約数ペア:

[(1, 20479230), (2, 10239615), (3, 6826410), (5, 4095846), (6, 3413205), (9, 2275470), (10, 2047923), (15, 1365282), (18, 1137735), (27, 758490), (30, 682641), (45, 455094), (54, 379245), (81, 252830), (90, 227547), (131, 156330), (135, 151698), (162, 126415), (193, 106110), (262, 78165), (270, 75849), (386, 53055), (393, 52110), (405, 50566), (579, 35370), (655, 31266), (786, 26055), (810, 25283), (965, 21222), (1158, 17685), (1179, 17370), (1310, 15633), (1737, 11790), (1930, 10611), (1965, 10422), (2358, 8685), (2895, 7074), (3474, 5895), (3537, 5790), (3930, 5211)]