20903458

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{23917}}^1$

素因数の和:23961

約数の個数: 16

約数和(自身を含む): 34441920

約数和(自身を除く): 13538462

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 23917, 47834, 454423, 550091, 908846, 1100182, 10451729, 20903458]

約数ペア:

[(1, 20903458), (2, 10451729), (19, 1100182), (23, 908846), (38, 550091), (46, 454423), (437, 47834), (874, 23917)]