20912911

素因数分解:

${\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:462

約数の個数: 16

約数和(自身を含む): 22756608

約数和(自身を除く): 1843697

約数列:

[1, 23, 41, 67, 331, 943, 1541, 2747, 7613, 13571, 22177, 63181, 312133, 510071, 909257, 20912911]

約数ペア:

[(1, 20912911), (23, 909257), (41, 510071), (67, 312133), (331, 63181), (943, 22177), (1541, 13571), (2747, 7613)]