20993856

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^2\times {\mathrm{647}}^1$

素因数の和:688

約数の個数: 84

約数和(自身を含む): 60240672

約数和(自身を除く): 39246816

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 156, 169, 192, 208, 312, 338, 416, 507, 624, 647, 676, 832, 1014, 1248, 1294, 1352, 1941, 2028, 2496, 2588, 2704, 3882, 4056, 5176, 5408, 7764, 8112, 8411, 10352, 10816, 15528, 16224, 16822, 20704, 25233, 31056, 32448, 33644, 41408, 50466, 62112, 67288, 100932, 109343, 124224, 134576, 201864, 218686, 269152, 328029, 403728, 437372, 538304, 656058, 807456, 874744, 1312116, 1614912, 1749488, 2624232, 3498976, 5248464, 6997952, 10496928, 20993856]

約数ペア:

[(1, 20993856), (2, 10496928), (3, 6997952), (4, 5248464), (6, 3498976), (8, 2624232), (12, 1749488), (13, 1614912), (16, 1312116), (24, 874744), (26, 807456), (32, 656058), (39, 538304), (48, 437372), (52, 403728), (64, 328029), (78, 269152), (96, 218686), (104, 201864), (156, 134576), (169, 124224), (192, 109343), (208, 100932), (312, 67288), (338, 62112), (416, 50466), (507, 41408), (624, 33644), (647, 32448), (676, 31056), (832, 25233), (1014, 20704), (1248, 16822), (1294, 16224), (1352, 15528), (1941, 10816), (2028, 10352), (2496, 8411), (2588, 8112), (2704, 7764), (3882, 5408), (4056, 5176)]