20520448

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{3083}}^1$

素因数の和:3114

約数の個数: 40

約数和(自身を含む): 44169048

約数和(自身を除く): 23648600

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3083, 3328, 6166, 6656, 12332, 24664, 40079, 49328, 80158, 98656, 160316, 197312, 320632, 394624, 641264, 789248, 1282528, 1578496, 2565056, 5130112, 10260224, 20520448]

約数ペア:

[(1, 20520448), (2, 10260224), (4, 5130112), (8, 2565056), (13, 1578496), (16, 1282528), (26, 789248), (32, 641264), (52, 394624), (64, 320632), (104, 197312), (128, 160316), (208, 98656), (256, 80158), (416, 49328), (512, 40079), (832, 24664), (1664, 12332), (3083, 6656), (3328, 6166)]