20885910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{10391}}^1$

素因数の和:10468

約数の個数: 32

約数和(自身を含む): 50879232

約数和(自身を除く): 29993322

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010, 10391, 20782, 31173, 51955, 62346, 103910, 155865, 311730, 696197, 1392394, 2088591, 3480985, 4177182, 6961970, 10442955, 20885910]

約数ペア:

[(1, 20885910), (2, 10442955), (3, 6961970), (5, 4177182), (6, 3480985), (10, 2088591), (15, 1392394), (30, 696197), (67, 311730), (134, 155865), (201, 103910), (335, 62346), (402, 51955), (670, 31173), (1005, 20782), (2010, 10391)]