20871036153

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1543}}^1$

素因数の和:1649

約数の個数: 160

約数和(自身を含む): 38739824640

約数和(自身を除く): 17868788487

約数列:

[1, 3, 9, 11, 17, 19, 27, 33, 47, 51, 57, 81, 99, 141, 153, 171, 187, 209, 297, 323, 423, 459, 513, 517, 561, 627, 799, 891, 893, 969, 1269, 1377, 1539, 1543, 1551, 1683, 1881, 2397, 2679, 2907, 3553, 3807, 4629, 4653, 5049, 5643, 7191, 8037, 8721, 8789, 9823, 10659, 13887, 13959, 15147, 15181, 16929, 16973, 21573, 24111, 26163, 26231, 26367, 29317, 29469, 31977, 41661, 41877, 45543, 50919, 64719, 72333, 72521, 78693, 79101, 87951, 88407, 95931, 124983, 136629, 152757, 166991, 217563, 236079, 237303, 263853, 265221, 287793, 288541, 322487, 409887, 458271, 498389, 500973, 652689, 708237, 711909, 791559, 795663, 797731, 865623, 967461, 1229661, 1232857, 1374813, 1377899, 1495167, 1502919, 1958067, 2124711, 2374677, 2393193, 2596869, 2902383, 3698571, 4133697, 4485501, 4508757, 5482279, 5874201, 7179579, 7790607, 8707149, 11095713, 12401091, 13456503, 13526271, 13561427, 15156889, 16446837, 21538737, 23371821, 23424283, 26121447, 33287139, 37203273, 40369509, 40684281, 45470667, 49340511, 64616211, 70272849, 99861417, 111609819, 122052843, 136412001, 148021533, 210818547, 257667113, 366158529, 409236003, 444064599, 632455641, 773001339, 1098475587, 1227708009, 1897366923, 2319004017, 6957012051, 20871036153]

約数ペア:

[(1, 20871036153), (3, 6957012051), (9, 2319004017), (11, 1897366923), (17, 1227708009), (19, 1098475587), (27, 773001339), (33, 632455641), (47, 444064599), (51, 409236003), (57, 366158529), (81, 257667113), (99, 210818547), (141, 148021533), (153, 136412001), (171, 122052843), (187, 111609819), (209, 99861417), (297, 70272849), (323, 64616211), (423, 49340511), (459, 45470667), (513, 40684281), (517, 40369509), (561, 37203273), (627, 33287139), (799, 26121447), (891, 23424283), (893, 23371821), (969, 21538737), (1269, 16446837), (1377, 15156889), (1539, 13561427), (1543, 13526271), (1551, 13456503), (1683, 12401091), (1881, 11095713), (2397, 8707149), (2679, 7790607), (2907, 7179579), (3553, 5874201), (3807, 5482279), (4629, 4508757), (4653, 4485501), (5049, 4133697), (5643, 3698571), (7191, 2902383), (8037, 2596869), (8721, 2393193), (8789, 2374677), (9823, 2124711), (10659, 1958067), (13887, 1502919), (13959, 1495167), (15147, 1377899), (15181, 1374813), (16929, 1232857), (16973, 1229661), (21573, 967461), (24111, 865623), (26163, 797731), (26231, 795663), (26367, 791559), (29317, 711909), (29469, 708237), (31977, 652689), (41661, 500973), (41877, 498389), (45543, 458271), (50919, 409887), (64719, 322487), (72333, 288541), (72521, 287793), (78693, 265221), (79101, 263853), (87951, 237303), (88407, 236079), (95931, 217563), (124983, 166991), (136629, 152757)]