20883492

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1049}}^1$

素因数の和:1145

約数の個数: 72

約数和(自身を含む): 61152000

約数和(自身を除く): 40268508

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 79, 84, 126, 158, 237, 252, 316, 474, 553, 711, 948, 1049, 1106, 1422, 1659, 2098, 2212, 2844, 3147, 3318, 4196, 4977, 6294, 6636, 7343, 9441, 9954, 12588, 14686, 18882, 19908, 22029, 29372, 37764, 44058, 66087, 82871, 88116, 132174, 165742, 248613, 264348, 331484, 497226, 580097, 745839, 994452, 1160194, 1491678, 1740291, 2320388, 2983356, 3480582, 5220873, 6961164, 10441746, 20883492]

約数ペア:

[(1, 20883492), (2, 10441746), (3, 6961164), (4, 5220873), (6, 3480582), (7, 2983356), (9, 2320388), (12, 1740291), (14, 1491678), (18, 1160194), (21, 994452), (28, 745839), (36, 580097), (42, 497226), (63, 331484), (79, 264348), (84, 248613), (126, 165742), (158, 132174), (237, 88116), (252, 82871), (316, 66087), (474, 44058), (553, 37764), (711, 29372), (948, 22029), (1049, 19908), (1106, 18882), (1422, 14686), (1659, 12588), (2098, 9954), (2212, 9441), (2844, 7343), (3147, 6636), (3318, 6294), (4196, 4977)]