20204595

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 36796032

約数和(自身を除く): 16591437

約数列:

[1, 3, 5, 9, 15, 41, 45, 47, 123, 141, 205, 233, 235, 369, 423, 615, 699, 705, 1165, 1845, 1927, 2097, 2115, 3495, 5781, 9553, 9635, 10485, 10951, 17343, 28659, 28905, 32853, 47765, 54755, 85977, 86715, 98559, 143295, 164265, 429885, 448991, 492795, 1346973, 2244955, 4040919, 6734865, 20204595]

約数ペア:

[(1, 20204595), (3, 6734865), (5, 4040919), (9, 2244955), (15, 1346973), (41, 492795), (45, 448991), (47, 429885), (123, 164265), (141, 143295), (205, 98559), (233, 86715), (235, 85977), (369, 54755), (423, 47765), (615, 32853), (699, 28905), (705, 28659), (1165, 17343), (1845, 10951), (1927, 10485), (2097, 9635), (2115, 9553), (3495, 5781)]