20819502

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^4\times {\mathrm{79}}^1$

素因数の和:131

約数の個数: 60

約数和(自身を含む): 50247600

約数和(自身を除く): 29428098

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 79, 99, 121, 158, 198, 237, 242, 363, 474, 711, 726, 869, 1089, 1331, 1422, 1738, 2178, 2607, 2662, 3993, 5214, 7821, 7986, 9559, 11979, 14641, 15642, 19118, 23958, 28677, 29282, 43923, 57354, 86031, 87846, 105149, 131769, 172062, 210298, 263538, 315447, 630894, 946341, 1156639, 1892682, 2313278, 3469917, 6939834, 10409751, 20819502]

約数ペア:

[(1, 20819502), (2, 10409751), (3, 6939834), (6, 3469917), (9, 2313278), (11, 1892682), (18, 1156639), (22, 946341), (33, 630894), (66, 315447), (79, 263538), (99, 210298), (121, 172062), (158, 131769), (198, 105149), (237, 87846), (242, 86031), (363, 57354), (474, 43923), (711, 29282), (726, 28677), (869, 23958), (1089, 19118), (1331, 15642), (1422, 14641), (1738, 11979), (2178, 9559), (2607, 7986), (2662, 7821), (3993, 5214)]