20874984

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2909}}^1$

素因数の和:2954

約数の個数: 64

約数和(自身を含む): 58665600

約数和(自身を除く): 37790616

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 69, 78, 92, 104, 138, 156, 184, 276, 299, 312, 552, 598, 897, 1196, 1794, 2392, 2909, 3588, 5818, 7176, 8727, 11636, 17454, 23272, 34908, 37817, 66907, 69816, 75634, 113451, 133814, 151268, 200721, 226902, 267628, 302536, 401442, 453804, 535256, 802884, 869791, 907608, 1605768, 1739582, 2609373, 3479164, 5218746, 6958328, 10437492, 20874984]

約数ペア:

[(1, 20874984), (2, 10437492), (3, 6958328), (4, 5218746), (6, 3479164), (8, 2609373), (12, 1739582), (13, 1605768), (23, 907608), (24, 869791), (26, 802884), (39, 535256), (46, 453804), (52, 401442), (69, 302536), (78, 267628), (92, 226902), (104, 200721), (138, 151268), (156, 133814), (184, 113451), (276, 75634), (299, 69816), (312, 66907), (552, 37817), (598, 34908), (897, 23272), (1196, 17454), (1794, 11636), (2392, 8727), (2909, 7176), (3588, 5818)]