20043556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20287}}^1$

素因数の和:20323

約数の個数: 24

約数和(自身を含む): 39764480

約数和(自身を除く): 19720924

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20287, 40574, 81148, 263731, 385453, 527462, 770906, 1054924, 1541812, 5010889, 10021778, 20043556]

約数ペア:

[(1, 20043556), (2, 10021778), (4, 5010889), (13, 1541812), (19, 1054924), (26, 770906), (38, 527462), (52, 385453), (76, 263731), (247, 81148), (494, 40574), (988, 20287)]