20357712

素因数分解:

$2^4\times 3^2\times {\mathrm{109}}^1\times {\mathrm{1297}}^1$

素因数の和:1420

約数の個数: 60

約数和(自身を含む): 57540340

約数和(自身を除く): 37182628

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 109, 144, 218, 327, 436, 654, 872, 981, 1297, 1308, 1744, 1962, 2594, 2616, 3891, 3924, 5188, 5232, 7782, 7848, 10376, 11673, 15564, 15696, 20752, 23346, 31128, 46692, 62256, 93384, 141373, 186768, 282746, 424119, 565492, 848238, 1130984, 1272357, 1696476, 2261968, 2544714, 3392952, 5089428, 6785904, 10178856, 20357712]

約数ペア:

[(1, 20357712), (2, 10178856), (3, 6785904), (4, 5089428), (6, 3392952), (8, 2544714), (9, 2261968), (12, 1696476), (16, 1272357), (18, 1130984), (24, 848238), (36, 565492), (48, 424119), (72, 282746), (109, 186768), (144, 141373), (218, 93384), (327, 62256), (436, 46692), (654, 31128), (872, 23346), (981, 20752), (1297, 15696), (1308, 15564), (1744, 11673), (1962, 10376), (2594, 7848), (2616, 7782), (3891, 5232), (3924, 5188)]