20123948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{9439}}^1$

素因数の和:9497

約数の個数: 24

約数和(自身を含む): 38855040

約数和(自身を除く): 18731092

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 533, 1066, 2132, 9439, 18878, 37756, 122707, 245414, 386999, 490828, 773998, 1547996, 5030987, 10061974, 20123948]

約数ペア:

[(1, 20123948), (2, 10061974), (4, 5030987), (13, 1547996), (26, 773998), (41, 490828), (52, 386999), (82, 245414), (164, 122707), (533, 37756), (1066, 18878), (2132, 9439)]