20611204688

素因数分解:

$2^4\times {\mathrm{10687}}^1\times {\mathrm{120539}}^1$

素因数の和:131234

約数の個数: 20

約数和(自身を含む): 39938277120

約数和(自身を除く): 19327072432

約数列:

[1, 2, 4, 8, 16, 10687, 21374, 42748, 85496, 120539, 170992, 241078, 482156, 964312, 1928624, 1288200293, 2576400586, 5152801172, 10305602344, 20611204688]

約数ペア:

[(1, 20611204688), (2, 10305602344), (4, 5152801172), (8, 2576400586), (16, 1288200293), (10687, 1928624), (21374, 964312), (42748, 482156), (85496, 241078), (120539, 170992)]