20999160971

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{509}}^1\times {\mathrm{1249}}^1$

素因数の和:1871

約数の個数: 32

約数和(自身を含む): 23409000000

約数和(自身を除く): 2409839029

約数列:

[1, 17, 29, 67, 493, 509, 1139, 1249, 1943, 8653, 14761, 21233, 33031, 34103, 36221, 83683, 250937, 579751, 615757, 635741, 988987, 1422611, 2426807, 10807597, 16812779, 18436489, 41255719, 42594647, 313420313, 724108999, 1235244763, 20999160971]

約数ペア:

[(1, 20999160971), (17, 1235244763), (29, 724108999), (67, 313420313), (493, 42594647), (509, 41255719), (1139, 18436489), (1249, 16812779), (1943, 10807597), (8653, 2426807), (14761, 1422611), (21233, 988987), (33031, 635741), (34103, 615757), (36221, 579751), (83683, 250937)]