20307015

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14557}}^1$

素因数の和:14599

約数の個数: 24

約数和(自身を含む): 36336768

約数和(自身を除く): 16029753

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 14557, 43671, 72785, 131013, 218355, 451267, 655065, 1353801, 2256335, 4061403, 6769005, 20307015]

約数ペア:

[(1, 20307015), (3, 6769005), (5, 4061403), (9, 2256335), (15, 1353801), (31, 655065), (45, 451267), (93, 218355), (155, 131013), (279, 72785), (465, 43671), (1395, 14557)]