20166883556

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:394

約数の個数: 144

約数和(自身を含む): 40938965760

約数和(自身を除く): 20772082204

約数列:

[1, 2, 4, 17, 19, 34, 38, 43, 68, 76, 86, 131, 163, 172, 262, 289, 323, 326, 524, 578, 646, 652, 731, 817, 1156, 1292, 1462, 1634, 2227, 2489, 2771, 2924, 3097, 3268, 4454, 4978, 5491, 5542, 5633, 6194, 7009, 8908, 9956, 10982, 11084, 11266, 12388, 12427, 13889, 14018, 21353, 21964, 22532, 24854, 27778, 28036, 37859, 42313, 42706, 47107, 49708, 52649, 55556, 75718, 84626, 85412, 94214, 95761, 105298, 107027, 119153, 133171, 151436, 169252, 188428, 191522, 210596, 214054, 236113, 238306, 266342, 363001, 383044, 405707, 428108, 472226, 476612, 532684, 719321, 726002, 811414, 895033, 918179, 944452, 1438642, 1452004, 1622828, 1627937, 1790066, 1819459, 1836358, 2025601, 2263907, 2877284, 3255874, 3580132, 3638918, 3672716, 4051202, 4527814, 6171017, 6511748, 6897019, 7277836, 8102404, 9055628, 12342034, 13794038, 15609043, 17445401, 24684068, 27588076, 30930803, 31218086, 34890802, 38486419, 61861606, 62436172, 69781604, 76972838, 117249323, 123723212, 153945676, 234498646, 265353731, 296571817, 468997292, 530707462, 593143634, 1061414924, 1186287268, 5041720889, 10083441778, 20166883556]

約数ペア:

[(1, 20166883556), (2, 10083441778), (4, 5041720889), (17, 1186287268), (19, 1061414924), (34, 593143634), (38, 530707462), (43, 468997292), (68, 296571817), (76, 265353731), (86, 234498646), (131, 153945676), (163, 123723212), (172, 117249323), (262, 76972838), (289, 69781604), (323, 62436172), (326, 61861606), (524, 38486419), (578, 34890802), (646, 31218086), (652, 30930803), (731, 27588076), (817, 24684068), (1156, 17445401), (1292, 15609043), (1462, 13794038), (1634, 12342034), (2227, 9055628), (2489, 8102404), (2771, 7277836), (2924, 6897019), (3097, 6511748), (3268, 6171017), (4454, 4527814), (4978, 4051202), (5491, 3672716), (5542, 3638918), (5633, 3580132), (6194, 3255874), (7009, 2877284), (8908, 2263907), (9956, 2025601), (10982, 1836358), (11084, 1819459), (11266, 1790066), (12388, 1627937), (12427, 1622828), (13889, 1452004), (14018, 1438642), (21353, 944452), (21964, 918179), (22532, 895033), (24854, 811414), (27778, 726002), (28036, 719321), (37859, 532684), (42313, 476612), (42706, 472226), (47107, 428108), (49708, 405707), (52649, 383044), (55556, 363001), (75718, 266342), (84626, 238306), (85412, 236113), (94214, 214054), (95761, 210596), (105298, 191522), (107027, 188428), (119153, 169252), (133171, 151436)]