20213815020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{8167}}^1$

素因数の和:8340

約数の個数: 192

約数和(自身を含む): 66393686016

約数和(自身を除く): 46179870996

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 71, 83, 84, 105, 140, 142, 166, 210, 213, 249, 284, 332, 355, 415, 420, 426, 497, 498, 581, 710, 830, 852, 994, 996, 1065, 1162, 1245, 1420, 1491, 1660, 1743, 1988, 2130, 2324, 2485, 2490, 2905, 2982, 3486, 4260, 4970, 4980, 5810, 5893, 5964, 6972, 7455, 8167, 8715, 9940, 11620, 11786, 14910, 16334, 17430, 17679, 23572, 24501, 29465, 29820, 32668, 34860, 35358, 40835, 41251, 49002, 57169, 58930, 70716, 81670, 82502, 88395, 98004, 114338, 117860, 122505, 123753, 163340, 165004, 171507, 176790, 206255, 228676, 245010, 247506, 285845, 343014, 353580, 412510, 490020, 495012, 571690, 579857, 618765, 677861, 686028, 825020, 857535, 1143380, 1159714, 1237530, 1355722, 1715070, 1739571, 2033583, 2319428, 2475060, 2711444, 2899285, 3389305, 3430140, 3479142, 4058999, 4067166, 4745027, 5798570, 6778610, 6958284, 8117998, 8134332, 8697855, 9490054, 10167915, 11597140, 12176997, 13557220, 14235081, 16235996, 17395710, 18980108, 20294995, 20335830, 23725135, 24353994, 28470162, 34791420, 40589990, 40671660, 47450270, 48128131, 48707988, 56940324, 60884985, 71175405, 81179980, 94900540, 96256262, 121769970, 142350810, 144384393, 192512524, 240640655, 243539940, 284701620, 288768786, 336896917, 481281310, 577537572, 673793834, 721921965, 962562620, 1010690751, 1347587668, 1443843930, 1684484585, 2021381502, 2887687860, 3368969170, 4042763004, 5053453755, 6737938340, 10106907510, 20213815020]

約数ペア:

[(1, 20213815020), (2, 10106907510), (3, 6737938340), (4, 5053453755), (5, 4042763004), (6, 3368969170), (7, 2887687860), (10, 2021381502), (12, 1684484585), (14, 1443843930), (15, 1347587668), (20, 1010690751), (21, 962562620), (28, 721921965), (30, 673793834), (35, 577537572), (42, 481281310), (60, 336896917), (70, 288768786), (71, 284701620), (83, 243539940), (84, 240640655), (105, 192512524), (140, 144384393), (142, 142350810), (166, 121769970), (210, 96256262), (213, 94900540), (249, 81179980), (284, 71175405), (332, 60884985), (355, 56940324), (415, 48707988), (420, 48128131), (426, 47450270), (497, 40671660), (498, 40589990), (581, 34791420), (710, 28470162), (830, 24353994), (852, 23725135), (994, 20335830), (996, 20294995), (1065, 18980108), (1162, 17395710), (1245, 16235996), (1420, 14235081), (1491, 13557220), (1660, 12176997), (1743, 11597140), (1988, 10167915), (2130, 9490054), (2324, 8697855), (2485, 8134332), (2490, 8117998), (2905, 6958284), (2982, 6778610), (3486, 5798570), (4260, 4745027), (4970, 4067166), (4980, 4058999), (5810, 3479142), (5893, 3430140), (5964, 3389305), (6972, 2899285), (7455, 2711444), (8167, 2475060), (8715, 2319428), (9940, 2033583), (11620, 1739571), (11786, 1715070), (14910, 1355722), (16334, 1237530), (17430, 1159714), (17679, 1143380), (23572, 857535), (24501, 825020), (29465, 686028), (29820, 677861), (32668, 618765), (34860, 579857), (35358, 571690), (40835, 495012), (41251, 490020), (49002, 412510), (57169, 353580), (58930, 343014), (70716, 285845), (81670, 247506), (82502, 245010), (88395, 228676), (98004, 206255), (114338, 176790), (117860, 171507), (122505, 165004), (123753, 163340)]