20161811500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{701}}^1$

素因数の和:845

約数の個数: 192

約数和(自身を含む): 47908433664

約数和(自身を除く): 27746622164

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 41, 46, 50, 61, 82, 92, 100, 115, 122, 125, 164, 205, 230, 244, 250, 305, 410, 460, 500, 575, 610, 701, 820, 943, 1025, 1150, 1220, 1402, 1403, 1525, 1886, 2050, 2300, 2501, 2804, 2806, 2875, 3050, 3505, 3772, 4100, 4715, 5002, 5125, 5612, 5750, 6100, 7010, 7015, 7625, 9430, 10004, 10250, 11500, 12505, 14020, 14030, 15250, 16123, 17525, 18860, 20500, 23575, 25010, 28060, 28741, 30500, 32246, 35050, 35075, 42761, 47150, 50020, 57482, 57523, 62525, 64492, 70100, 70150, 80615, 85522, 87625, 94300, 114964, 115046, 117875, 125050, 140300, 143705, 161230, 171044, 175250, 175375, 213805, 230092, 235750, 250100, 287410, 287615, 312625, 322460, 350500, 350750, 403075, 427610, 471500, 574820, 575230, 625250, 661043, 701500, 718525, 806150, 855220, 983503, 1069025, 1150460, 1250500, 1322086, 1437050, 1438075, 1612300, 1753201, 1967006, 2015375, 2138050, 2644172, 2874100, 2876150, 3305215, 3506402, 3592625, 3934012, 4030750, 4276100, 4917515, 5345125, 5752300, 6610430, 7012804, 7185250, 7190375, 8061500, 8766005, 9835030, 10690250, 13220860, 14370500, 14380750, 16526075, 17532010, 19670060, 21380500, 24587575, 28761500, 33052150, 35064020, 40323623, 43830025, 49175150, 66104300, 80647246, 82630375, 87660050, 98350300, 122937875, 161294492, 165260750, 175320100, 201618115, 219150125, 245875750, 330521500, 403236230, 438300250, 491751500, 806472460, 876600500, 1008090575, 2016181150, 4032362300, 5040452875, 10080905750, 20161811500]

約数ペア:

[(1, 20161811500), (2, 10080905750), (4, 5040452875), (5, 4032362300), (10, 2016181150), (20, 1008090575), (23, 876600500), (25, 806472460), (41, 491751500), (46, 438300250), (50, 403236230), (61, 330521500), (82, 245875750), (92, 219150125), (100, 201618115), (115, 175320100), (122, 165260750), (125, 161294492), (164, 122937875), (205, 98350300), (230, 87660050), (244, 82630375), (250, 80647246), (305, 66104300), (410, 49175150), (460, 43830025), (500, 40323623), (575, 35064020), (610, 33052150), (701, 28761500), (820, 24587575), (943, 21380500), (1025, 19670060), (1150, 17532010), (1220, 16526075), (1402, 14380750), (1403, 14370500), (1525, 13220860), (1886, 10690250), (2050, 9835030), (2300, 8766005), (2501, 8061500), (2804, 7190375), (2806, 7185250), (2875, 7012804), (3050, 6610430), (3505, 5752300), (3772, 5345125), (4100, 4917515), (4715, 4276100), (5002, 4030750), (5125, 3934012), (5612, 3592625), (5750, 3506402), (6100, 3305215), (7010, 2876150), (7015, 2874100), (7625, 2644172), (9430, 2138050), (10004, 2015375), (10250, 1967006), (11500, 1753201), (12505, 1612300), (14020, 1438075), (14030, 1437050), (15250, 1322086), (16123, 1250500), (17525, 1150460), (18860, 1069025), (20500, 983503), (23575, 855220), (25010, 806150), (28060, 718525), (28741, 701500), (30500, 661043), (32246, 625250), (35050, 575230), (35075, 574820), (42761, 471500), (47150, 427610), (50020, 403075), (57482, 350750), (57523, 350500), (62525, 322460), (64492, 312625), (70100, 287615), (70150, 287410), (80615, 250100), (85522, 235750), (87625, 230092), (94300, 213805), (114964, 175375), (115046, 175250), (117875, 171044), (125050, 161230), (140300, 143705)]