20041593

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 32890368

約数和(自身を除く): 12848775

約数列:

[1, 3, 11, 13, 31, 33, 39, 93, 121, 137, 143, 341, 363, 403, 411, 429, 1023, 1209, 1507, 1573, 1781, 3751, 4247, 4433, 4521, 4719, 5343, 11253, 12741, 13299, 16577, 19591, 46717, 48763, 49731, 55211, 58773, 140151, 146289, 165633, 215501, 513887, 607321, 646503, 1541661, 1821963, 6680531, 20041593]

約数ペア:

[(1, 20041593), (3, 6680531), (11, 1821963), (13, 1541661), (31, 646503), (33, 607321), (39, 513887), (93, 215501), (121, 165633), (137, 146289), (143, 140151), (341, 58773), (363, 55211), (403, 49731), (411, 48763), (429, 46717), (1023, 19591), (1209, 16577), (1507, 13299), (1573, 12741), (1781, 11253), (3751, 5343), (4247, 4719), (4433, 4521)]