20109420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2377}}^1$

素因数の和:2439

約数の個数: 72

約数和(自身を含む): 62322624

約数和(自身を除く): 42213204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2377, 2820, 4230, 4754, 7131, 8460, 9508, 11885, 14262, 21393, 23770, 28524, 35655, 42786, 47540, 71310, 85572, 106965, 111719, 142620, 213930, 223438, 335157, 427860, 446876, 558595, 670314, 1005471, 1117190, 1340628, 1675785, 2010942, 2234380, 3351570, 4021884, 5027355, 6703140, 10054710, 20109420]

約数ペア:

[(1, 20109420), (2, 10054710), (3, 6703140), (4, 5027355), (5, 4021884), (6, 3351570), (9, 2234380), (10, 2010942), (12, 1675785), (15, 1340628), (18, 1117190), (20, 1005471), (30, 670314), (36, 558595), (45, 446876), (47, 427860), (60, 335157), (90, 223438), (94, 213930), (141, 142620), (180, 111719), (188, 106965), (235, 85572), (282, 71310), (423, 47540), (470, 42786), (564, 35655), (705, 28524), (846, 23770), (940, 21393), (1410, 14262), (1692, 11885), (2115, 9508), (2377, 8460), (2820, 7131), (4230, 4754)]