20920194

素因数分解:

$2^1\times 3^4\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:177

約数の個数: 80

約数和(自身を含む): 49963320

約数和(自身を除く): 29043126

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 61, 73, 81, 87, 122, 146, 162, 174, 183, 219, 261, 366, 438, 522, 549, 657, 783, 1098, 1314, 1566, 1647, 1769, 1971, 2117, 2349, 3294, 3538, 3942, 4234, 4453, 4698, 4941, 5307, 5913, 6351, 8906, 9882, 10614, 11826, 12702, 13359, 15921, 19053, 26718, 31842, 38106, 40077, 47763, 57159, 80154, 95526, 114318, 120231, 129137, 143289, 171477, 240462, 258274, 286578, 342954, 360693, 387411, 721386, 774822, 1162233, 2324466, 3486699, 6973398, 10460097, 20920194]

約数ペア:

[(1, 20920194), (2, 10460097), (3, 6973398), (6, 3486699), (9, 2324466), (18, 1162233), (27, 774822), (29, 721386), (54, 387411), (58, 360693), (61, 342954), (73, 286578), (81, 258274), (87, 240462), (122, 171477), (146, 143289), (162, 129137), (174, 120231), (183, 114318), (219, 95526), (261, 80154), (366, 57159), (438, 47763), (522, 40077), (549, 38106), (657, 31842), (783, 26718), (1098, 19053), (1314, 15921), (1566, 13359), (1647, 12702), (1769, 11826), (1971, 10614), (2117, 9882), (2349, 8906), (3294, 6351), (3538, 5913), (3942, 5307), (4234, 4941), (4453, 4698)]