20089953

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 33546240

約数和(自身を除く): 13456287

約数列:

[1, 3, 9, 13, 29, 31, 39, 87, 93, 117, 191, 261, 279, 377, 403, 573, 899, 1131, 1209, 1719, 2483, 2697, 3393, 3627, 5539, 5921, 7449, 8091, 11687, 16617, 17763, 22347, 35061, 49851, 53289, 72007, 76973, 105183, 171709, 216021, 230919, 515127, 648063, 692757, 1545381, 2232217, 6696651, 20089953]

約数ペア:

[(1, 20089953), (3, 6696651), (9, 2232217), (13, 1545381), (29, 692757), (31, 648063), (39, 515127), (87, 230919), (93, 216021), (117, 171709), (191, 105183), (261, 76973), (279, 72007), (377, 53289), (403, 49851), (573, 35061), (899, 22347), (1131, 17763), (1209, 16617), (1719, 11687), (2483, 8091), (2697, 7449), (3393, 5921), (3627, 5539)]