20660256

素因数分解:

$2^5\times 3^2\times {\mathrm{23}}^1\times {\mathrm{3119}}^1$

素因数の和:3158

約数の個数: 72

約数和(自身を含む): 61326720

約数和(自身を除く): 40666464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 69, 72, 92, 96, 138, 144, 184, 207, 276, 288, 368, 414, 552, 736, 828, 1104, 1656, 2208, 3119, 3312, 6238, 6624, 9357, 12476, 18714, 24952, 28071, 37428, 49904, 56142, 71737, 74856, 99808, 112284, 143474, 149712, 215211, 224568, 286948, 299424, 430422, 449136, 573896, 645633, 860844, 898272, 1147792, 1291266, 1721688, 2295584, 2582532, 3443376, 5165064, 6886752, 10330128, 20660256]

約数ペア:

[(1, 20660256), (2, 10330128), (3, 6886752), (4, 5165064), (6, 3443376), (8, 2582532), (9, 2295584), (12, 1721688), (16, 1291266), (18, 1147792), (23, 898272), (24, 860844), (32, 645633), (36, 573896), (46, 449136), (48, 430422), (69, 299424), (72, 286948), (92, 224568), (96, 215211), (138, 149712), (144, 143474), (184, 112284), (207, 99808), (276, 74856), (288, 71737), (368, 56142), (414, 49904), (552, 37428), (736, 28071), (828, 24952), (1104, 18714), (1656, 12476), (2208, 9357), (3119, 6624), (3312, 6238)]