20872808460

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{66529}}^1$

素因数の和:66637

約数の個数: 192

約数和(自身を含む): 75109708800

約数和(自身を除く): 54236900340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 83, 84, 90, 105, 108, 126, 135, 140, 166, 180, 189, 210, 249, 252, 270, 315, 332, 378, 415, 420, 498, 540, 581, 630, 747, 756, 830, 945, 996, 1162, 1245, 1260, 1494, 1660, 1743, 1890, 2241, 2324, 2490, 2905, 2988, 3486, 3735, 3780, 4482, 4980, 5229, 5810, 6972, 7470, 8715, 8964, 10458, 11205, 11620, 14940, 15687, 17430, 20916, 22410, 26145, 31374, 34860, 44820, 52290, 62748, 66529, 78435, 104580, 133058, 156870, 199587, 266116, 313740, 332645, 399174, 465703, 598761, 665290, 798348, 931406, 997935, 1197522, 1330580, 1397109, 1796283, 1862812, 1995870, 2328515, 2395044, 2794218, 2993805, 3592566, 3991740, 4191327, 4657030, 5521907, 5588436, 5987610, 6985545, 7185132, 8382654, 8981415, 9314060, 11043814, 11975220, 12573981, 13971090, 16565721, 16765308, 17962830, 20956635, 22087628, 25147962, 27609535, 27942180, 33131442, 35925660, 38653349, 41913270, 49697163, 50295924, 55219070, 62869905, 66262884, 77306698, 82828605, 83826540, 99394326, 110438140, 115960047, 125739810, 149091489, 154613396, 165657210, 193266745, 198788652, 231920094, 248485815, 251479620, 298182978, 331314420, 347880141, 386533490, 463840188, 496971630, 579800235, 596365956, 695760282, 745457445, 773066980, 993943260, 1043640423, 1159600470, 1391520564, 1490914890, 1739400705, 2087280846, 2319200940, 2981829780, 3478801410, 4174561692, 5218202115, 6957602820, 10436404230, 20872808460]

約数ペア:

[(1, 20872808460), (2, 10436404230), (3, 6957602820), (4, 5218202115), (5, 4174561692), (6, 3478801410), (7, 2981829780), (9, 2319200940), (10, 2087280846), (12, 1739400705), (14, 1490914890), (15, 1391520564), (18, 1159600470), (20, 1043640423), (21, 993943260), (27, 773066980), (28, 745457445), (30, 695760282), (35, 596365956), (36, 579800235), (42, 496971630), (45, 463840188), (54, 386533490), (60, 347880141), (63, 331314420), (70, 298182978), (83, 251479620), (84, 248485815), (90, 231920094), (105, 198788652), (108, 193266745), (126, 165657210), (135, 154613396), (140, 149091489), (166, 125739810), (180, 115960047), (189, 110438140), (210, 99394326), (249, 83826540), (252, 82828605), (270, 77306698), (315, 66262884), (332, 62869905), (378, 55219070), (415, 50295924), (420, 49697163), (498, 41913270), (540, 38653349), (581, 35925660), (630, 33131442), (747, 27942180), (756, 27609535), (830, 25147962), (945, 22087628), (996, 20956635), (1162, 17962830), (1245, 16765308), (1260, 16565721), (1494, 13971090), (1660, 12573981), (1743, 11975220), (1890, 11043814), (2241, 9314060), (2324, 8981415), (2490, 8382654), (2905, 7185132), (2988, 6985545), (3486, 5987610), (3735, 5588436), (3780, 5521907), (4482, 4657030), (4980, 4191327), (5229, 3991740), (5810, 3592566), (6972, 2993805), (7470, 2794218), (8715, 2395044), (8964, 2328515), (10458, 1995870), (11205, 1862812), (11620, 1796283), (14940, 1397109), (15687, 1330580), (17430, 1197522), (20916, 997935), (22410, 931406), (26145, 798348), (31374, 665290), (34860, 598761), (44820, 465703), (52290, 399174), (62748, 332645), (66529, 313740), (78435, 266116), (104580, 199587), (133058, 156870)]