20291856

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1049}}^1$

素因数の和:1104

約数の個数: 80

約数和(自身を含む): 58329600

約数和(自身を除く): 38037744

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 104, 124, 156, 186, 208, 248, 312, 372, 403, 496, 624, 744, 806, 1049, 1209, 1488, 1612, 2098, 2418, 3147, 3224, 4196, 4836, 6294, 6448, 8392, 9672, 12588, 13637, 16784, 19344, 25176, 27274, 32519, 40911, 50352, 54548, 65038, 81822, 97557, 109096, 130076, 163644, 195114, 218192, 260152, 327288, 390228, 422747, 520304, 654576, 780456, 845494, 1268241, 1560912, 1690988, 2536482, 3381976, 5072964, 6763952, 10145928, 20291856]

約数ペア:

[(1, 20291856), (2, 10145928), (3, 6763952), (4, 5072964), (6, 3381976), (8, 2536482), (12, 1690988), (13, 1560912), (16, 1268241), (24, 845494), (26, 780456), (31, 654576), (39, 520304), (48, 422747), (52, 390228), (62, 327288), (78, 260152), (93, 218192), (104, 195114), (124, 163644), (156, 130076), (186, 109096), (208, 97557), (248, 81822), (312, 65038), (372, 54548), (403, 50352), (496, 40911), (624, 32519), (744, 27274), (806, 25176), (1049, 19344), (1209, 16784), (1488, 13637), (1612, 12588), (2098, 9672), (2418, 8392), (3147, 6448), (3224, 6294), (4196, 4836)]