20123255691

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{7459}}^1$

素因数の和:7729

約数の個数: 96

約数和(自身を含む): 38543731200

約数和(自身を除く): 18420475509

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 51, 63, 77, 99, 119, 153, 187, 229, 231, 357, 561, 687, 693, 1071, 1309, 1603, 1683, 2061, 2519, 3893, 3927, 4809, 7459, 7557, 11679, 11781, 14427, 17633, 22377, 22671, 27251, 35037, 42823, 52213, 52899, 67131, 81753, 82049, 126803, 128469, 156639, 158697, 245259, 246147, 299761, 380409, 385407, 469917, 574343, 738441, 887621, 899283, 1141227, 1394833, 1708111, 1723029, 2662863, 2697849, 4184499, 5124333, 5169087, 7988589, 9763831, 11956777, 12553497, 15372999, 18789221, 29037887, 29291493, 35870331, 56367663, 87113661, 87874479, 107610993, 131524547, 169102989, 203265209, 261340983, 319416757, 394573641, 609795627, 958250271, 1183720923, 1829386881, 2235917299, 2874750813, 6707751897, 20123255691]

約数ペア:

[(1, 20123255691), (3, 6707751897), (7, 2874750813), (9, 2235917299), (11, 1829386881), (17, 1183720923), (21, 958250271), (33, 609795627), (51, 394573641), (63, 319416757), (77, 261340983), (99, 203265209), (119, 169102989), (153, 131524547), (187, 107610993), (229, 87874479), (231, 87113661), (357, 56367663), (561, 35870331), (687, 29291493), (693, 29037887), (1071, 18789221), (1309, 15372999), (1603, 12553497), (1683, 11956777), (2061, 9763831), (2519, 7988589), (3893, 5169087), (3927, 5124333), (4809, 4184499), (7459, 2697849), (7557, 2662863), (11679, 1723029), (11781, 1708111), (14427, 1394833), (17633, 1141227), (22377, 899283), (22671, 887621), (27251, 738441), (35037, 574343), (42823, 469917), (52213, 385407), (52899, 380409), (67131, 299761), (81753, 246147), (82049, 245259), (126803, 158697), (128469, 156639)]