20402575291

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{971}}^1\times {\mathrm{1163}}^1$

素因数の和:2259

約数の個数: 32

約数和(自身を含む): 24438412800

約数和(自身を除く): 4035837509

約数列:

[1, 7, 29, 89, 203, 623, 971, 1163, 2581, 6797, 8141, 18067, 28159, 33727, 86419, 103507, 197113, 236089, 604933, 724549, 1129273, 2506151, 3001703, 7904911, 17543057, 21011921, 32748917, 100505297, 229242419, 703537079, 2914653613, 20402575291]

約数ペア:

[(1, 20402575291), (7, 2914653613), (29, 703537079), (89, 229242419), (203, 100505297), (623, 32748917), (971, 21011921), (1163, 17543057), (2581, 7904911), (6797, 3001703), (8141, 2506151), (18067, 1129273), (28159, 724549), (33727, 604933), (86419, 236089), (103507, 197113)]