20163047877

素因数分解:

$3^4\times 7^2\times {\mathrm{29}}^1\times {\mathrm{283}}^1\times {\mathrm{619}}^1$

素因数の和:957

約数の個数: 120

約数和(自身を含む): 36432712800

約数和(自身を除く): 16269664923

約数列:

[1, 3, 7, 9, 21, 27, 29, 49, 63, 81, 87, 147, 189, 203, 261, 283, 441, 567, 609, 619, 783, 849, 1323, 1421, 1827, 1857, 1981, 2349, 2547, 3969, 4263, 4333, 5481, 5571, 5943, 7641, 8207, 12789, 12999, 13867, 16443, 16713, 17829, 17951, 22923, 24621, 30331, 38367, 38997, 41601, 50139, 53487, 53853, 57449, 73863, 90993, 115101, 116991, 124803, 125657, 160461, 161559, 172347, 175177, 221589, 272979, 350973, 374409, 376971, 402143, 484677, 517041, 525531, 664767, 818937, 879599, 1123227, 1130913, 1206429, 1226239, 1454031, 1551123, 1576593, 2456811, 2638797, 3392739, 3619287, 3678717, 4653369, 4729779, 5080133, 7916391, 8583673, 10178217, 10857861, 11036151, 14189337, 15240399, 23749173, 25751019, 32573583, 33108453, 35560931, 45721197, 71247519, 77253057, 99325359, 106682793, 137163591, 231759171, 248926517, 320048379, 411490773, 695277513, 746779551, 960145137, 2240338653, 2880435411, 6721015959, 20163047877]

約数ペア:

[(1, 20163047877), (3, 6721015959), (7, 2880435411), (9, 2240338653), (21, 960145137), (27, 746779551), (29, 695277513), (49, 411490773), (63, 320048379), (81, 248926517), (87, 231759171), (147, 137163591), (189, 106682793), (203, 99325359), (261, 77253057), (283, 71247519), (441, 45721197), (567, 35560931), (609, 33108453), (619, 32573583), (783, 25751019), (849, 23749173), (1323, 15240399), (1421, 14189337), (1827, 11036151), (1857, 10857861), (1981, 10178217), (2349, 8583673), (2547, 7916391), (3969, 5080133), (4263, 4729779), (4333, 4653369), (5481, 3678717), (5571, 3619287), (5943, 3392739), (7641, 2638797), (8207, 2456811), (12789, 1576593), (12999, 1551123), (13867, 1454031), (16443, 1226239), (16713, 1206429), (17829, 1130913), (17951, 1123227), (22923, 879599), (24621, 818937), (30331, 664767), (38367, 525531), (38997, 517041), (41601, 484677), (50139, 402143), (53487, 376971), (53853, 374409), (57449, 350973), (73863, 272979), (90993, 221589), (115101, 175177), (116991, 172347), (124803, 161559), (125657, 160461)]