12820535

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1483}}^1$

素因数の和:1527

約数の個数: 32

約数和(自身を含む): 19944960

約数和(自身を除く): 7124425

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 455, 665, 1235, 1483, 1729, 7415, 8645, 10381, 19279, 28177, 51905, 96395, 134953, 140885, 197239, 366301, 674765, 986195, 1831505, 2564107, 12820535]

約数ペア:

[(1, 12820535), (5, 2564107), (7, 1831505), (13, 986195), (19, 674765), (35, 366301), (65, 197239), (91, 140885), (95, 134953), (133, 96395), (247, 51905), (455, 28177), (665, 19279), (1235, 10381), (1483, 8645), (1729, 7415)]