20248756

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 41549760

約数和(自身を除く): 21301004

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 53, 76, 106, 209, 212, 418, 457, 583, 836, 914, 1007, 1166, 1828, 2014, 2332, 4028, 5027, 8683, 10054, 11077, 17366, 20108, 22154, 24221, 34732, 44308, 48442, 95513, 96884, 191026, 266431, 382052, 460199, 532862, 920398, 1065724, 1840796, 5062189, 10124378, 20248756]

約数ペア:

[(1, 20248756), (2, 10124378), (4, 5062189), (11, 1840796), (19, 1065724), (22, 920398), (38, 532862), (44, 460199), (53, 382052), (76, 266431), (106, 191026), (209, 96884), (212, 95513), (418, 48442), (457, 44308), (583, 34732), (836, 24221), (914, 22154), (1007, 20108), (1166, 17366), (1828, 11077), (2014, 10054), (2332, 8683), (4028, 5027)]