20962116

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{431}}^1$

素因数の和:641

約数の個数: 72

約数和(自身を含む): 61012224

約数和(自身を除く): 40050108

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 193, 252, 386, 431, 579, 772, 862, 1158, 1293, 1351, 1724, 1737, 2316, 2586, 2702, 3017, 3474, 3879, 4053, 5172, 5404, 6034, 6948, 7758, 8106, 9051, 12068, 12159, 15516, 16212, 18102, 24318, 27153, 36204, 48636, 54306, 83183, 108612, 166366, 249549, 332732, 499098, 582281, 748647, 998196, 1164562, 1497294, 1746843, 2329124, 2994588, 3493686, 5240529, 6987372, 10481058, 20962116]

約数ペア:

[(1, 20962116), (2, 10481058), (3, 6987372), (4, 5240529), (6, 3493686), (7, 2994588), (9, 2329124), (12, 1746843), (14, 1497294), (18, 1164562), (21, 998196), (28, 748647), (36, 582281), (42, 499098), (63, 332732), (84, 249549), (126, 166366), (193, 108612), (252, 83183), (386, 54306), (431, 48636), (579, 36204), (772, 27153), (862, 24318), (1158, 18102), (1293, 16212), (1351, 15516), (1724, 12159), (1737, 12068), (2316, 9051), (2586, 8106), (2702, 7758), (3017, 6948), (3474, 6034), (3879, 5404), (4053, 5172)]