20693988

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{883}}^1$

素因数の和:934

約数の個数: 96

約数和(自身を含む): 63365120

約数和(自身を除く): 42671132

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 42, 54, 62, 63, 84, 93, 108, 124, 126, 186, 189, 217, 252, 279, 372, 378, 434, 558, 651, 756, 837, 868, 883, 1116, 1302, 1674, 1766, 1953, 2604, 2649, 3348, 3532, 3906, 5298, 5859, 6181, 7812, 7947, 10596, 11718, 12362, 15894, 18543, 23436, 23841, 24724, 27373, 31788, 37086, 47682, 54746, 55629, 74172, 82119, 95364, 109492, 111258, 164238, 166887, 191611, 222516, 246357, 328476, 333774, 383222, 492714, 574833, 667548, 739071, 766444, 985428, 1149666, 1478142, 1724499, 2299332, 2956284, 3448998, 5173497, 6897996, 10346994, 20693988]

約数ペア:

[(1, 20693988), (2, 10346994), (3, 6897996), (4, 5173497), (6, 3448998), (7, 2956284), (9, 2299332), (12, 1724499), (14, 1478142), (18, 1149666), (21, 985428), (27, 766444), (28, 739071), (31, 667548), (36, 574833), (42, 492714), (54, 383222), (62, 333774), (63, 328476), (84, 246357), (93, 222516), (108, 191611), (124, 166887), (126, 164238), (186, 111258), (189, 109492), (217, 95364), (252, 82119), (279, 74172), (372, 55629), (378, 54746), (434, 47682), (558, 37086), (651, 31788), (756, 27373), (837, 24724), (868, 23841), (883, 23436), (1116, 18543), (1302, 15894), (1674, 12362), (1766, 11718), (1953, 10596), (2604, 7947), (2649, 7812), (3348, 6181), (3532, 5859), (3906, 5298)]