20213846624

素因数分解:

$2^5\times {\mathrm{389}}^1\times {\mathrm{1623863}}^1$

素因数の和:1624262

約数の個数: 24

約数和(自身を含む): 39898338480

約数和(自身を除く): 19684491856

約数列:

[1, 2, 4, 8, 16, 32, 389, 778, 1556, 3112, 6224, 12448, 1623863, 3247726, 6495452, 12990904, 25981808, 51963616, 631682707, 1263365414, 2526730828, 5053461656, 10106923312, 20213846624]

約数ペア:

[(1, 20213846624), (2, 10106923312), (4, 5053461656), (8, 2526730828), (16, 1263365414), (32, 631682707), (389, 51963616), (778, 25981808), (1556, 12990904), (3112, 6495452), (6224, 3247726), (12448, 1623863)]