20235722

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:207

約数の個数: 48

約数和(自身を含む): 36365760

約数和(自身を除く): 16130038

約数列:

[1, 2, 13, 19, 23, 26, 38, 46, 137, 169, 247, 274, 299, 338, 437, 494, 598, 874, 1781, 2603, 3151, 3211, 3562, 3887, 5206, 5681, 6302, 6422, 7774, 11362, 23153, 33839, 40963, 46306, 59869, 67678, 73853, 81926, 119738, 147706, 439907, 532519, 778297, 879814, 1065038, 1556594, 10117861, 20235722]

約数ペア:

[(1, 20235722), (2, 10117861), (13, 1556594), (19, 1065038), (23, 879814), (26, 778297), (38, 532519), (46, 439907), (137, 147706), (169, 119738), (247, 81926), (274, 73853), (299, 67678), (338, 59869), (437, 46306), (494, 40963), (598, 33839), (874, 23153), (1781, 11362), (2603, 7774), (3151, 6422), (3211, 6302), (3562, 5681), (3887, 5206)]