20331356260

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2459}}^1\times {\mathrm{5233}}^1$

素因数の和:7780

約数の個数: 48

約数和(自身を含む): 43262150400

約数和(自身を除く): 22930794140

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 2459, 4918, 5233, 9836, 10466, 12295, 20932, 24590, 26165, 49180, 52330, 104660, 194261, 388522, 413407, 777044, 826814, 971305, 1653628, 1942610, 2067035, 3885220, 4134070, 8268140, 12867947, 25735894, 51471788, 64339735, 128679470, 257358940, 1016567813, 2033135626, 4066271252, 5082839065, 10165678130, 20331356260]

約数ペア:

[(1, 20331356260), (2, 10165678130), (4, 5082839065), (5, 4066271252), (10, 2033135626), (20, 1016567813), (79, 257358940), (158, 128679470), (316, 64339735), (395, 51471788), (790, 25735894), (1580, 12867947), (2459, 8268140), (4918, 4134070), (5233, 3885220), (9836, 2067035), (10466, 1942610), (12295, 1653628), (20932, 971305), (24590, 826814), (26165, 777044), (49180, 413407), (52330, 388522), (104660, 194261)]