20090016

素因数分解:

$2^5\times 3^2\times {\mathrm{79}}^1\times {\mathrm{883}}^1$

素因数の和:978

約数の個数: 72

約数和(自身を含む): 57919680

約数和(自身を除く): 37829664

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 79, 96, 144, 158, 237, 288, 316, 474, 632, 711, 883, 948, 1264, 1422, 1766, 1896, 2528, 2649, 2844, 3532, 3792, 5298, 5688, 7064, 7584, 7947, 10596, 11376, 14128, 15894, 21192, 22752, 28256, 31788, 42384, 63576, 69757, 84768, 127152, 139514, 209271, 254304, 279028, 418542, 558056, 627813, 837084, 1116112, 1255626, 1674168, 2232224, 2511252, 3348336, 5022504, 6696672, 10045008, 20090016]

約数ペア:

[(1, 20090016), (2, 10045008), (3, 6696672), (4, 5022504), (6, 3348336), (8, 2511252), (9, 2232224), (12, 1674168), (16, 1255626), (18, 1116112), (24, 837084), (32, 627813), (36, 558056), (48, 418542), (72, 279028), (79, 254304), (96, 209271), (144, 139514), (158, 127152), (237, 84768), (288, 69757), (316, 63576), (474, 42384), (632, 31788), (711, 28256), (883, 22752), (948, 21192), (1264, 15894), (1422, 14128), (1766, 11376), (1896, 10596), (2528, 7947), (2649, 7584), (2844, 7064), (3532, 5688), (3792, 5298)]