20693939816

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{168331}}^1$

素因数の和:168486

約数の個数: 48

約数和(自身を含む): 42985259520

約数和(自身を除く): 22291319704

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 127, 242, 254, 484, 508, 968, 1016, 1397, 2794, 5588, 11176, 15367, 30734, 61468, 122936, 168331, 336662, 673324, 1346648, 1851641, 3703282, 7406564, 14813128, 20368051, 21378037, 40736102, 42756074, 81472204, 85512148, 162944408, 171024296, 235158407, 470316814, 940633628, 1881267256, 2586742477, 5173484954, 10346969908, 20693939816]

約数ペア:

[(1, 20693939816), (2, 10346969908), (4, 5173484954), (8, 2586742477), (11, 1881267256), (22, 940633628), (44, 470316814), (88, 235158407), (121, 171024296), (127, 162944408), (242, 85512148), (254, 81472204), (484, 42756074), (508, 40736102), (968, 21378037), (1016, 20368051), (1397, 14813128), (2794, 7406564), (5588, 3703282), (11176, 1851641), (15367, 1346648), (30734, 673324), (61468, 336662), (122936, 168331)]