20121485342

素因数分解:

$2^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{421}}^1\times {\mathrm{6869}}^1$

素因数の和:7377

約数の個数: 48

約数和(自身を含む): 35694211680

約数和(自身を除く): 15572726338

約数列:

[1, 2, 7, 14, 49, 71, 98, 142, 421, 497, 842, 994, 2947, 3479, 5894, 6869, 6958, 13738, 20629, 29891, 41258, 48083, 59782, 96166, 209237, 336581, 418474, 487699, 673162, 975398, 1464659, 2891849, 2929318, 3413893, 5783698, 6827786, 20242943, 23897251, 40485886, 47794502, 141700601, 205321279, 283401202, 410642558, 1437248953, 2874497906, 10060742671, 20121485342]

約数ペア:

[(1, 20121485342), (2, 10060742671), (7, 2874497906), (14, 1437248953), (49, 410642558), (71, 283401202), (98, 205321279), (142, 141700601), (421, 47794502), (497, 40485886), (842, 23897251), (994, 20242943), (2947, 6827786), (3479, 5783698), (5894, 3413893), (6869, 2929318), (6958, 2891849), (13738, 1464659), (20629, 975398), (29891, 673162), (41258, 487699), (48083, 418474), (59782, 336581), (96166, 209237)]