20121542465

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1\times {\mathrm{16493}}^1$

素因数の和:17009

約数の個数: 32

約数和(自身を含む): 26449514496

約数和(自身を除く): 6327972031

約数列:

[1, 5, 17, 31, 85, 155, 463, 527, 2315, 2635, 7871, 14353, 16493, 39355, 71765, 82465, 244001, 280381, 511283, 1220005, 1401905, 2556415, 7636259, 8691811, 38181295, 43459055, 129816403, 236724029, 649082015, 1183620145, 4024308493, 20121542465]

約数ペア:

[(1, 20121542465), (5, 4024308493), (17, 1183620145), (31, 649082015), (85, 236724029), (155, 129816403), (463, 43459055), (527, 38181295), (2315, 8691811), (2635, 7636259), (7871, 2556415), (14353, 1401905), (16493, 1220005), (39355, 511283), (71765, 280381), (82465, 244001)]