20894235

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{853}}^1$

素因数の和:955

約数の個数: 32

約数和(自身を含む): 35417088

約数和(自身を除く): 14522853

約数列:

[1, 3, 5, 15, 23, 69, 71, 115, 213, 345, 355, 853, 1065, 1633, 2559, 4265, 4899, 8165, 12795, 19619, 24495, 58857, 60563, 98095, 181689, 294285, 302815, 908445, 1392949, 4178847, 6964745, 20894235]

約数ペア:

[(1, 20894235), (3, 6964745), (5, 4178847), (15, 1392949), (23, 908445), (69, 302815), (71, 294285), (115, 181689), (213, 98095), (345, 60563), (355, 58857), (853, 24495), (1065, 19619), (1633, 12795), (2559, 8165), (4265, 4899)]