20178544585

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{383}}^1\times {\mathrm{1607}}^1$

素因数の和:2157

約数の個数: 32

約数和(自身を含む): 24896471040

約数和(自身を除く): 4717926455

約数列:

[1, 5, 79, 83, 383, 395, 415, 1607, 1915, 6557, 8035, 30257, 31789, 32785, 126953, 133381, 151285, 158945, 615481, 634765, 666905, 2511331, 3077405, 10537099, 12556655, 48622999, 51084923, 52685495, 243114995, 255424615, 4035708917, 20178544585]

約数ペア:

[(1, 20178544585), (5, 4035708917), (79, 255424615), (83, 243114995), (383, 52685495), (395, 51084923), (415, 48622999), (1607, 12556655), (1915, 10537099), (6557, 3077405), (8035, 2511331), (30257, 666905), (31789, 634765), (32785, 615481), (126953, 158945), (133381, 151285)]