20807202832

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{59509}}^1$

素因数の和:59612

約数の個数: 60

約数和(自身を含む): 44500506820

約数和(自身を除く): 23693303988

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 208, 328, 533, 656, 1066, 1681, 2132, 3362, 4264, 6724, 8528, 13448, 21853, 26896, 43706, 59509, 87412, 119018, 174824, 238036, 349648, 476072, 773617, 952144, 1547234, 2439869, 3094468, 4879738, 6188936, 9759476, 12377872, 19518952, 31718297, 39037904, 63436594, 100034629, 126873188, 200069258, 253746376, 400138516, 507492752, 800277032, 1300450177, 1600554064, 2600900354, 5201800708, 10403601416, 20807202832]

約数ペア:

[(1, 20807202832), (2, 10403601416), (4, 5201800708), (8, 2600900354), (13, 1600554064), (16, 1300450177), (26, 800277032), (41, 507492752), (52, 400138516), (82, 253746376), (104, 200069258), (164, 126873188), (208, 100034629), (328, 63436594), (533, 39037904), (656, 31718297), (1066, 19518952), (1681, 12377872), (2132, 9759476), (3362, 6188936), (4264, 4879738), (6724, 3094468), (8528, 2439869), (13448, 1547234), (21853, 952144), (26896, 773617), (43706, 476072), (59509, 349648), (87412, 238036), (119018, 174824)]