20841647580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{468773}}^1$

素因数の和:468820

約数の個数: 144

約数和(自身を含む): 71666169120

約数和(自身を除く): 50824521540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 988, 1140, 1170, 1235, 1482, 1710, 2223, 2340, 2470, 2964, 3420, 3705, 4446, 4940, 7410, 8892, 11115, 14820, 22230, 44460, 468773, 937546, 1406319, 1875092, 2343865, 2812638, 4218957, 4687730, 5625276, 6094049, 7031595, 8437914, 8906687, 9375460, 12188098, 14063190, 16875828, 17813374, 18282147, 21094785, 24376196, 26720061, 28126380, 30470245, 35626748, 36564294, 42189570, 44533435, 53440122, 54846441, 60940490, 73128588, 80160183, 84379140, 89066870, 91410735, 106880244, 109692882, 115786931, 121880980, 133600305, 160320366, 178133740, 182821470, 219385764, 231573862, 267200610, 274232205, 320640732, 347360793, 365642940, 400800915, 463147724, 534401220, 548464410, 578934655, 694721586, 801601830, 1042082379, 1096928820, 1157869310, 1389443172, 1603203660, 1736803965, 2084164758, 2315738620, 3473607930, 4168329516, 5210411895, 6947215860, 10420823790, 20841647580]

約数ペア:

[(1, 20841647580), (2, 10420823790), (3, 6947215860), (4, 5210411895), (5, 4168329516), (6, 3473607930), (9, 2315738620), (10, 2084164758), (12, 1736803965), (13, 1603203660), (15, 1389443172), (18, 1157869310), (19, 1096928820), (20, 1042082379), (26, 801601830), (30, 694721586), (36, 578934655), (38, 548464410), (39, 534401220), (45, 463147724), (52, 400800915), (57, 365642940), (60, 347360793), (65, 320640732), (76, 274232205), (78, 267200610), (90, 231573862), (95, 219385764), (114, 182821470), (117, 178133740), (130, 160320366), (156, 133600305), (171, 121880980), (180, 115786931), (190, 109692882), (195, 106880244), (228, 91410735), (234, 89066870), (247, 84379140), (260, 80160183), (285, 73128588), (342, 60940490), (380, 54846441), (390, 53440122), (468, 44533435), (494, 42189570), (570, 36564294), (585, 35626748), (684, 30470245), (741, 28126380), (780, 26720061), (855, 24376196), (988, 21094785), (1140, 18282147), (1170, 17813374), (1235, 16875828), (1482, 14063190), (1710, 12188098), (2223, 9375460), (2340, 8906687), (2470, 8437914), (2964, 7031595), (3420, 6094049), (3705, 5625276), (4446, 4687730), (4940, 4218957), (7410, 2812638), (8892, 2343865), (11115, 1875092), (14820, 1406319), (22230, 937546), (44460, 468773)]