20867814

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2$

素因数の和:127

約数の個数: 96

約数和(自身を含む): 54518400

約数和(自身を除く): 33650586

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 27, 33, 38, 43, 54, 57, 66, 86, 99, 114, 129, 171, 198, 209, 258, 297, 342, 387, 418, 473, 513, 594, 627, 774, 817, 946, 1026, 1161, 1254, 1419, 1634, 1849, 1881, 2322, 2451, 2838, 3698, 3762, 4257, 4902, 5547, 5643, 7353, 8514, 8987, 11094, 11286, 12771, 14706, 16641, 17974, 20339, 22059, 25542, 26961, 33282, 35131, 40678, 44118, 49923, 53922, 61017, 70262, 80883, 99846, 105393, 122034, 161766, 183051, 210786, 242649, 316179, 366102, 386441, 485298, 549153, 632358, 772882, 948537, 1098306, 1159323, 1897074, 2318646, 3477969, 6955938, 10433907, 20867814]

約数ペア:

[(1, 20867814), (2, 10433907), (3, 6955938), (6, 3477969), (9, 2318646), (11, 1897074), (18, 1159323), (19, 1098306), (22, 948537), (27, 772882), (33, 632358), (38, 549153), (43, 485298), (54, 386441), (57, 366102), (66, 316179), (86, 242649), (99, 210786), (114, 183051), (129, 161766), (171, 122034), (198, 105393), (209, 99846), (258, 80883), (297, 70262), (342, 61017), (387, 53922), (418, 49923), (473, 44118), (513, 40678), (594, 35131), (627, 33282), (774, 26961), (817, 25542), (946, 22059), (1026, 20339), (1161, 17974), (1254, 16641), (1419, 14706), (1634, 12771), (1849, 11286), (1881, 11094), (2322, 8987), (2451, 8514), (2838, 7353), (3698, 5643), (3762, 5547), (4257, 4902)]