20686698

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 48153600

約数和(自身を除く): 27466902

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 59, 86, 118, 129, 151, 177, 258, 302, 354, 387, 453, 531, 774, 906, 1062, 1161, 1359, 1593, 2322, 2537, 2718, 3186, 4077, 5074, 6493, 7611, 8154, 8909, 12986, 15222, 17818, 19479, 22833, 26727, 38958, 45666, 53454, 58437, 68499, 80181, 116874, 136998, 160362, 175311, 240543, 350622, 383087, 481086, 766174, 1149261, 2298522, 3447783, 6895566, 10343349, 20686698]

約数ペア:

[(1, 20686698), (2, 10343349), (3, 6895566), (6, 3447783), (9, 2298522), (18, 1149261), (27, 766174), (43, 481086), (54, 383087), (59, 350622), (86, 240543), (118, 175311), (129, 160362), (151, 136998), (177, 116874), (258, 80181), (302, 68499), (354, 58437), (387, 53454), (453, 45666), (531, 38958), (774, 26727), (906, 22833), (1062, 19479), (1161, 17818), (1359, 15222), (1593, 12986), (2322, 8909), (2537, 8154), (2718, 7611), (3186, 6493), (4077, 5074)]