20723218488

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{617}}^1\times {\mathrm{647}}^1$

素因数の和:1386

約数の個数: 192

約数和(自身を含む): 64971279360

約数和(自身を除く): 44248060872

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 103, 126, 168, 206, 252, 309, 412, 504, 617, 618, 647, 721, 824, 927, 1234, 1236, 1294, 1442, 1851, 1854, 1941, 2163, 2468, 2472, 2588, 2884, 3702, 3708, 3882, 4319, 4326, 4529, 4936, 5176, 5553, 5768, 5823, 6489, 7404, 7416, 7764, 8638, 8652, 9058, 11106, 11646, 12957, 12978, 13587, 14808, 15528, 17276, 17304, 18116, 22212, 23292, 25914, 25956, 27174, 34552, 36232, 38871, 40761, 44424, 46584, 51828, 51912, 54348, 63551, 66641, 77742, 81522, 103656, 108696, 127102, 133282, 155484, 163044, 190653, 199923, 254204, 266564, 310968, 326088, 381306, 399199, 399846, 444857, 466487, 508408, 533128, 571959, 599769, 762612, 798398, 799692, 889714, 932974, 1143918, 1197597, 1199538, 1334571, 1399461, 1525224, 1596796, 1599384, 1779428, 1865948, 2287836, 2395194, 2399076, 2669142, 2794393, 2798922, 3193592, 3558856, 3592791, 3731896, 4003713, 4198383, 4575672, 4790388, 4798152, 5338284, 5588786, 5597844, 7185582, 8007426, 8383179, 8396766, 9580776, 10676568, 11177572, 11195688, 14371164, 16014852, 16766358, 16793532, 22355144, 25149537, 28742328, 32029704, 33532716, 33587064, 41117497, 50299074, 67065432, 82234994, 100598148, 123352491, 164469988, 201196296, 246704982, 287822479, 328939976, 370057473, 493409964, 575644958, 740114946, 863467437, 986819928, 1151289916, 1480229892, 1726934874, 2302579832, 2590402311, 2960459784, 3453869748, 5180804622, 6907739496, 10361609244, 20723218488]

約数ペア:

[(1, 20723218488), (2, 10361609244), (3, 6907739496), (4, 5180804622), (6, 3453869748), (7, 2960459784), (8, 2590402311), (9, 2302579832), (12, 1726934874), (14, 1480229892), (18, 1151289916), (21, 986819928), (24, 863467437), (28, 740114946), (36, 575644958), (42, 493409964), (56, 370057473), (63, 328939976), (72, 287822479), (84, 246704982), (103, 201196296), (126, 164469988), (168, 123352491), (206, 100598148), (252, 82234994), (309, 67065432), (412, 50299074), (504, 41117497), (617, 33587064), (618, 33532716), (647, 32029704), (721, 28742328), (824, 25149537), (927, 22355144), (1234, 16793532), (1236, 16766358), (1294, 16014852), (1442, 14371164), (1851, 11195688), (1854, 11177572), (1941, 10676568), (2163, 9580776), (2468, 8396766), (2472, 8383179), (2588, 8007426), (2884, 7185582), (3702, 5597844), (3708, 5588786), (3882, 5338284), (4319, 4798152), (4326, 4790388), (4529, 4575672), (4936, 4198383), (5176, 4003713), (5553, 3731896), (5768, 3592791), (5823, 3558856), (6489, 3193592), (7404, 2798922), (7416, 2794393), (7764, 2669142), (8638, 2399076), (8652, 2395194), (9058, 2287836), (11106, 1865948), (11646, 1779428), (12957, 1599384), (12978, 1596796), (13587, 1525224), (14808, 1399461), (15528, 1334571), (17276, 1199538), (17304, 1197597), (18116, 1143918), (22212, 932974), (23292, 889714), (25914, 799692), (25956, 798398), (27174, 762612), (34552, 599769), (36232, 571959), (38871, 533128), (40761, 508408), (44424, 466487), (46584, 444857), (51828, 399846), (51912, 399199), (54348, 381306), (63551, 326088), (66641, 310968), (77742, 266564), (81522, 254204), (103656, 199923), (108696, 190653), (127102, 163044), (133282, 155484)]