20192844

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{571}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 54070016

約数和(自身を除く): 33877172

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 421, 571, 842, 1142, 1263, 1684, 1713, 2284, 2526, 2947, 3426, 3997, 5052, 5894, 6852, 7994, 8841, 11788, 11991, 15988, 17682, 23982, 35364, 47964, 240391, 480782, 721173, 961564, 1442346, 1682737, 2884692, 3365474, 5048211, 6730948, 10096422, 20192844]

約数ペア:

[(1, 20192844), (2, 10096422), (3, 6730948), (4, 5048211), (6, 3365474), (7, 2884692), (12, 1682737), (14, 1442346), (21, 961564), (28, 721173), (42, 480782), (84, 240391), (421, 47964), (571, 35364), (842, 23982), (1142, 17682), (1263, 15988), (1684, 11991), (1713, 11788), (2284, 8841), (2526, 7994), (2947, 6852), (3426, 5894), (3997, 5052)]