20020806

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1277}}^1$

素因数の和:1365

約数の個数: 48

約数和(自身を含む): 47449584

約数和(自身を除く): 27428778

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 67, 78, 117, 134, 201, 234, 402, 603, 871, 1206, 1277, 1742, 2554, 2613, 3831, 5226, 7662, 7839, 11493, 15678, 16601, 22986, 33202, 49803, 85559, 99606, 149409, 171118, 256677, 298818, 513354, 770031, 1112267, 1540062, 2224534, 3336801, 6673602, 10010403, 20020806]

約数ペア:

[(1, 20020806), (2, 10010403), (3, 6673602), (6, 3336801), (9, 2224534), (13, 1540062), (18, 1112267), (26, 770031), (39, 513354), (67, 298818), (78, 256677), (117, 171118), (134, 149409), (201, 99606), (234, 85559), (402, 49803), (603, 33202), (871, 22986), (1206, 16601), (1277, 15678), (1742, 11493), (2554, 7839), (2613, 7662), (3831, 5226)]