20242852

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2$

素因数の和:137

約数の個数: 72

約数和(自身を含む): 45795456

約数和(自身を除く): 25552604

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 43, 46, 68, 86, 92, 119, 161, 172, 238, 301, 322, 391, 476, 602, 644, 731, 782, 989, 1204, 1462, 1564, 1849, 1978, 2737, 2924, 3698, 3956, 5117, 5474, 6923, 7396, 10234, 10948, 12943, 13846, 16813, 20468, 25886, 27692, 31433, 33626, 42527, 51772, 62866, 67252, 85054, 117691, 125732, 170108, 220031, 235382, 297689, 440062, 470764, 595378, 722959, 880124, 1190756, 1445918, 2891836, 5060713, 10121426, 20242852]

約数ペア:

[(1, 20242852), (2, 10121426), (4, 5060713), (7, 2891836), (14, 1445918), (17, 1190756), (23, 880124), (28, 722959), (34, 595378), (43, 470764), (46, 440062), (68, 297689), (86, 235382), (92, 220031), (119, 170108), (161, 125732), (172, 117691), (238, 85054), (301, 67252), (322, 62866), (391, 51772), (476, 42527), (602, 33626), (644, 31433), (731, 27692), (782, 25886), (989, 20468), (1204, 16813), (1462, 13846), (1564, 12943), (1849, 10948), (1978, 10234), (2737, 7396), (2924, 6923), (3698, 5474), (3956, 5117)]