20648328

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{12841}}^1$

素因数の和:12917

約数の個数: 32

約数和(自身を含む): 52395360

約数和(自身を除く): 31747032

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 402, 536, 804, 1608, 12841, 25682, 38523, 51364, 77046, 102728, 154092, 308184, 860347, 1720694, 2581041, 3441388, 5162082, 6882776, 10324164, 20648328]

約数ペア:

[(1, 20648328), (2, 10324164), (3, 6882776), (4, 5162082), (6, 3441388), (8, 2581041), (12, 1720694), (24, 860347), (67, 308184), (134, 154092), (201, 102728), (268, 77046), (402, 51364), (536, 38523), (804, 25682), (1608, 12841)]