20689416

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:347

約数の個数: 96

約数和(自身を含む): 61888320

約数和(自身を除く): 41198904

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 151, 173, 198, 264, 302, 346, 396, 453, 519, 604, 692, 792, 906, 1038, 1208, 1359, 1384, 1557, 1661, 1812, 1903, 2076, 2718, 3114, 3322, 3624, 3806, 4152, 4983, 5436, 5709, 6228, 6644, 7612, 9966, 10872, 11418, 12456, 13288, 14949, 15224, 17127, 19932, 22836, 26123, 29898, 34254, 39864, 45672, 52246, 59796, 68508, 78369, 104492, 119592, 137016, 156738, 208984, 235107, 287353, 313476, 470214, 574706, 626952, 862059, 940428, 1149412, 1724118, 1880856, 2298824, 2586177, 3448236, 5172354, 6896472, 10344708, 20689416]

約数ペア:

[(1, 20689416), (2, 10344708), (3, 6896472), (4, 5172354), (6, 3448236), (8, 2586177), (9, 2298824), (11, 1880856), (12, 1724118), (18, 1149412), (22, 940428), (24, 862059), (33, 626952), (36, 574706), (44, 470214), (66, 313476), (72, 287353), (88, 235107), (99, 208984), (132, 156738), (151, 137016), (173, 119592), (198, 104492), (264, 78369), (302, 68508), (346, 59796), (396, 52246), (453, 45672), (519, 39864), (604, 34254), (692, 29898), (792, 26123), (906, 22836), (1038, 19932), (1208, 17127), (1359, 15224), (1384, 14949), (1557, 13288), (1661, 12456), (1812, 11418), (1903, 10872), (2076, 9966), (2718, 7612), (3114, 6644), (3322, 6228), (3624, 5709), (3806, 5436), (4152, 4983)]