20512542

素因数分解:

$2^1\times 3^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{359}}^1$

素因数の和:560

約数の個数: 32

約数和(自身を含む): 41990400

約数和(自身を除く): 21477858

約数列:

[1, 2, 3, 6, 89, 107, 178, 214, 267, 321, 359, 534, 642, 718, 1077, 2154, 9523, 19046, 28569, 31951, 38413, 57138, 63902, 76826, 95853, 115239, 191706, 230478, 3418757, 6837514, 10256271, 20512542]

約数ペア:

[(1, 20512542), (2, 10256271), (3, 6837514), (6, 3418757), (89, 230478), (107, 191706), (178, 115239), (214, 95853), (267, 76826), (321, 63902), (359, 57138), (534, 38413), (642, 31951), (718, 28569), (1077, 19046), (2154, 9523)]