20369596

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 41277600

約数和(自身を除く): 20908004

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 53, 76, 106, 212, 247, 389, 494, 689, 778, 988, 1007, 1378, 1556, 2014, 2756, 4028, 5057, 7391, 10114, 13091, 14782, 20228, 20617, 26182, 29564, 41234, 52364, 82468, 96083, 192166, 268021, 384332, 391723, 536042, 783446, 1072084, 1566892, 5092399, 10184798, 20369596]

約数ペア:

[(1, 20369596), (2, 10184798), (4, 5092399), (13, 1566892), (19, 1072084), (26, 783446), (38, 536042), (52, 391723), (53, 384332), (76, 268021), (106, 192166), (212, 96083), (247, 82468), (389, 52364), (494, 41234), (689, 29564), (778, 26182), (988, 20617), (1007, 20228), (1378, 14782), (1556, 13091), (2014, 10114), (2756, 7391), (4028, 5057)]