20328042708

素因数分解:

$2^2\times 3^2\times {\mathrm{239}}^1\times {\mathrm{269}}^1\times {\mathrm{8783}}^1$

素因数の和:9301

約数の個数: 72

約数和(自身を含む): 51797491200

約数和(自身を除く): 31469448492

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 239, 269, 478, 538, 717, 807, 956, 1076, 1434, 1614, 2151, 2421, 2868, 3228, 4302, 4842, 8604, 8783, 9684, 17566, 26349, 35132, 52698, 64291, 79047, 105396, 128582, 158094, 192873, 257164, 316188, 385746, 578619, 771492, 1157238, 2099137, 2314476, 2362627, 4198274, 4725254, 6297411, 7087881, 8396548, 9450508, 12594822, 14175762, 18892233, 21263643, 25189644, 28351524, 37784466, 42527286, 75568932, 85054572, 564667853, 1129335706, 1694003559, 2258671412, 3388007118, 5082010677, 6776014236, 10164021354, 20328042708]

約数ペア:

[(1, 20328042708), (2, 10164021354), (3, 6776014236), (4, 5082010677), (6, 3388007118), (9, 2258671412), (12, 1694003559), (18, 1129335706), (36, 564667853), (239, 85054572), (269, 75568932), (478, 42527286), (538, 37784466), (717, 28351524), (807, 25189644), (956, 21263643), (1076, 18892233), (1434, 14175762), (1614, 12594822), (2151, 9450508), (2421, 8396548), (2868, 7087881), (3228, 6297411), (4302, 4725254), (4842, 4198274), (8604, 2362627), (8783, 2314476), (9684, 2099137), (17566, 1157238), (26349, 771492), (35132, 578619), (52698, 385746), (64291, 316188), (79047, 257164), (105396, 192873), (128582, 158094)]