20207096

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{677}}^1$

素因数の和:744

約数の個数: 64

約数和(自身を含む): 47839680

約数和(自身を除く): 27632584

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 41, 52, 56, 82, 91, 104, 164, 182, 287, 328, 364, 533, 574, 677, 728, 1066, 1148, 1354, 2132, 2296, 2708, 3731, 4264, 4739, 5416, 7462, 8801, 9478, 14924, 17602, 18956, 27757, 29848, 35204, 37912, 55514, 61607, 70408, 111028, 123214, 194299, 222056, 246428, 360841, 388598, 492856, 721682, 777196, 1443364, 1554392, 2525887, 2886728, 5051774, 10103548, 20207096]

約数ペア:

[(1, 20207096), (2, 10103548), (4, 5051774), (7, 2886728), (8, 2525887), (13, 1554392), (14, 1443364), (26, 777196), (28, 721682), (41, 492856), (52, 388598), (56, 360841), (82, 246428), (91, 222056), (104, 194299), (164, 123214), (182, 111028), (287, 70408), (328, 61607), (364, 55514), (533, 37912), (574, 35204), (677, 29848), (728, 27757), (1066, 18956), (1148, 17602), (1354, 14924), (2132, 9478), (2296, 8801), (2708, 7462), (3731, 5416), (4264, 4739)]