20147238

素因数分解:

$2^1\times 3^3\times {\mathrm{509}}^1\times {\mathrm{733}}^1$

素因数の和:1253

約数の個数: 32

約数和(自身を含む): 44920800

約数和(自身を除く): 24773562

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 509, 733, 1018, 1466, 1527, 2199, 3054, 4398, 4581, 6597, 9162, 13194, 13743, 19791, 27486, 39582, 373097, 746194, 1119291, 2238582, 3357873, 6715746, 10073619, 20147238]

約数ペア:

[(1, 20147238), (2, 10073619), (3, 6715746), (6, 3357873), (9, 2238582), (18, 1119291), (27, 746194), (54, 373097), (509, 39582), (733, 27486), (1018, 19791), (1466, 13743), (1527, 13194), (2199, 9162), (3054, 6597), (4398, 4581)]