20154739

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:171

約数の個数: 32

約数和(自身を含む): 24675840

約数和(自身を除く): 4521101

約数列:

[1, 11, 23, 29, 41, 67, 253, 319, 451, 667, 737, 943, 1189, 1541, 1943, 2747, 7337, 10373, 13079, 16951, 21373, 27347, 30217, 44689, 63181, 79663, 300817, 491579, 694991, 876293, 1832249, 20154739]

約数ペア:

[(1, 20154739), (11, 1832249), (23, 876293), (29, 694991), (41, 491579), (67, 300817), (253, 79663), (319, 63181), (451, 44689), (667, 30217), (737, 27347), (943, 21373), (1189, 16951), (1541, 13079), (1943, 10373), (2747, 7337)]