20173859984

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{1117}}^1\times {\mathrm{4723}}^1$

素因数の和:6087

約数の個数: 40

約数和(自身を含む): 39293854080

約数和(自身を除く): 19119994096

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1117, 1912, 2234, 3824, 4468, 4723, 8936, 9446, 17872, 18892, 37784, 75568, 266963, 533926, 1067852, 1128797, 2135704, 2257594, 4271408, 4515188, 5275591, 9030376, 10551182, 18060752, 21102364, 42204728, 84409456, 1260866249, 2521732498, 5043464996, 10086929992, 20173859984]

約数ペア:

[(1, 20173859984), (2, 10086929992), (4, 5043464996), (8, 2521732498), (16, 1260866249), (239, 84409456), (478, 42204728), (956, 21102364), (1117, 18060752), (1912, 10551182), (2234, 9030376), (3824, 5275591), (4468, 4515188), (4723, 4271408), (8936, 2257594), (9446, 2135704), (17872, 1128797), (18892, 1067852), (37784, 533926), (75568, 266963)]