20701680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{86257}}^1$

素因数の和:86273

約数の個数: 40

約数和(自身を含む): 64175952

約数和(自身を除く): 43474272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 86257, 172514, 258771, 345028, 431285, 517542, 690056, 862570, 1035084, 1293855, 1380112, 1725140, 2070168, 2587710, 3450280, 4140336, 5175420, 6900560, 10350840, 20701680]

約数ペア:

[(1, 20701680), (2, 10350840), (3, 6900560), (4, 5175420), (5, 4140336), (6, 3450280), (8, 2587710), (10, 2070168), (12, 1725140), (15, 1380112), (16, 1293855), (20, 1035084), (24, 862570), (30, 690056), (40, 517542), (48, 431285), (60, 345028), (80, 258771), (120, 172514), (240, 86257)]