820921372

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{25657}}^1$

素因数の和:26101

約数の個数: 24

約数和(自身を含む): 1515874640

約数和(自身を除く): 694953268

約数列:

[1, 2, 4, 19, 38, 76, 421, 842, 1684, 7999, 15998, 25657, 31996, 51314, 102628, 487483, 974966, 1949932, 10801597, 21603194, 43206388, 205230343, 410460686, 820921372]

約数ペア:

[(1, 820921372), (2, 410460686), (4, 205230343), (19, 43206388), (38, 21603194), (76, 10801597), (421, 1949932), (842, 974966), (1684, 487483), (7999, 102628), (15998, 51314), (25657, 31996)]