20802768

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{613}}^1$

素因数の和:732

約数の個数: 80

約数和(自身を含む): 62126976

約数和(自身を除く): 41324208

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 101, 112, 168, 202, 303, 336, 404, 606, 613, 707, 808, 1212, 1226, 1414, 1616, 1839, 2121, 2424, 2452, 2828, 3678, 4242, 4291, 4848, 4904, 5656, 7356, 8484, 8582, 9808, 11312, 12873, 14712, 16968, 17164, 25746, 29424, 33936, 34328, 51492, 61913, 68656, 102984, 123826, 185739, 205968, 247652, 371478, 433391, 495304, 742956, 866782, 990608, 1300173, 1485912, 1733564, 2600346, 2971824, 3467128, 5200692, 6934256, 10401384, 20802768]

約数ペア:

[(1, 20802768), (2, 10401384), (3, 6934256), (4, 5200692), (6, 3467128), (7, 2971824), (8, 2600346), (12, 1733564), (14, 1485912), (16, 1300173), (21, 990608), (24, 866782), (28, 742956), (42, 495304), (48, 433391), (56, 371478), (84, 247652), (101, 205968), (112, 185739), (168, 123826), (202, 102984), (303, 68656), (336, 61913), (404, 51492), (606, 34328), (613, 33936), (707, 29424), (808, 25746), (1212, 17164), (1226, 16968), (1414, 14712), (1616, 12873), (1839, 11312), (2121, 9808), (2424, 8582), (2452, 8484), (2828, 7356), (3678, 5656), (4242, 4904), (4291, 4848)]