20312964

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:394

約数の個数: 96

約数和(自身を含む): 61026560

約数和(自身を除く): 40713596

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 97, 108, 126, 189, 194, 252, 277, 291, 378, 388, 554, 582, 679, 756, 831, 873, 1108, 1164, 1358, 1662, 1746, 1939, 2037, 2493, 2619, 2716, 3324, 3492, 3878, 4074, 4986, 5238, 5817, 6111, 7479, 7756, 8148, 9972, 10476, 11634, 12222, 14958, 17451, 18333, 23268, 24444, 26869, 29916, 34902, 36666, 52353, 53738, 69804, 73332, 80607, 104706, 107476, 161214, 188083, 209412, 241821, 322428, 376166, 483642, 564249, 725463, 752332, 967284, 1128498, 1450926, 1692747, 2256996, 2901852, 3385494, 5078241, 6770988, 10156482, 20312964]

約数ペア:

[(1, 20312964), (2, 10156482), (3, 6770988), (4, 5078241), (6, 3385494), (7, 2901852), (9, 2256996), (12, 1692747), (14, 1450926), (18, 1128498), (21, 967284), (27, 752332), (28, 725463), (36, 564249), (42, 483642), (54, 376166), (63, 322428), (84, 241821), (97, 209412), (108, 188083), (126, 161214), (189, 107476), (194, 104706), (252, 80607), (277, 73332), (291, 69804), (378, 53738), (388, 52353), (554, 36666), (582, 34902), (679, 29916), (756, 26869), (831, 24444), (873, 23268), (1108, 18333), (1164, 17451), (1358, 14958), (1662, 12222), (1746, 11634), (1939, 10476), (2037, 9972), (2493, 8148), (2619, 7756), (2716, 7479), (3324, 6111), (3492, 5817), (3878, 5238), (4074, 4986)]