20370525

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{241}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 41050944

約数和(自身を除く): 20680419

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 49, 69, 75, 105, 115, 147, 161, 175, 241, 245, 345, 483, 525, 575, 723, 735, 805, 1127, 1205, 1225, 1687, 1725, 2415, 3381, 3615, 3675, 4025, 5061, 5543, 5635, 6025, 8435, 11809, 12075, 16629, 16905, 18075, 25305, 27715, 28175, 35427, 38801, 42175, 59045, 83145, 84525, 116403, 126525, 138575, 177135, 194005, 271607, 295225, 415725, 582015, 814821, 885675, 970025, 1358035, 2910075, 4074105, 6790175, 20370525]

約数ペア:

[(1, 20370525), (3, 6790175), (5, 4074105), (7, 2910075), (15, 1358035), (21, 970025), (23, 885675), (25, 814821), (35, 582015), (49, 415725), (69, 295225), (75, 271607), (105, 194005), (115, 177135), (147, 138575), (161, 126525), (175, 116403), (241, 84525), (245, 83145), (345, 59045), (483, 42175), (525, 38801), (575, 35427), (723, 28175), (735, 27715), (805, 25305), (1127, 18075), (1205, 16905), (1225, 16629), (1687, 12075), (1725, 11809), (2415, 8435), (3381, 6025), (3615, 5635), (3675, 5543), (4025, 5061)]