20362515

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1699}}^1$

素因数の和:1771

約数の個数: 32

約数和(自身を含む): 35251200

約数和(自身を除く): 14888685

約数列:

[1, 3, 5, 15, 17, 47, 51, 85, 141, 235, 255, 705, 799, 1699, 2397, 3995, 5097, 8495, 11985, 25485, 28883, 79853, 86649, 144415, 239559, 399265, 433245, 1197795, 1357501, 4072503, 6787505, 20362515]

約数ペア:

[(1, 20362515), (3, 6787505), (5, 4072503), (15, 1357501), (17, 1197795), (47, 433245), (51, 399265), (85, 239559), (141, 144415), (235, 86649), (255, 79853), (705, 28883), (799, 25485), (1699, 11985), (2397, 8495), (3995, 5097)]