20638260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{38219}}^1$

素因数の和:38237

約数の個数: 48

約数和(自身を含む): 64209600

約数和(自身を除く): 43571340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 38219, 76438, 114657, 152876, 191095, 229314, 343971, 382190, 458628, 573285, 687942, 764380, 1031913, 1146570, 1375884, 1719855, 2063826, 2293140, 3439710, 4127652, 5159565, 6879420, 10319130, 20638260]

約数ペア:

[(1, 20638260), (2, 10319130), (3, 6879420), (4, 5159565), (5, 4127652), (6, 3439710), (9, 2293140), (10, 2063826), (12, 1719855), (15, 1375884), (18, 1146570), (20, 1031913), (27, 764380), (30, 687942), (36, 573285), (45, 458628), (54, 382190), (60, 343971), (90, 229314), (108, 191095), (135, 152876), (180, 114657), (270, 76438), (540, 38219)]