20091601831

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{479}}^1\times {\mathrm{677}}^1$

素因数の和:1383

約数の個数: 32

約数和(自身を含む): 23619133440

約数和(自身を除く): 3527531609

約数列:

[1, 7, 53, 167, 371, 479, 677, 1169, 3353, 4739, 8851, 25387, 35881, 61957, 79993, 113059, 177709, 251167, 324283, 559951, 791413, 2269981, 4239629, 5992127, 17186999, 29677403, 41944889, 54155261, 120308993, 379086827, 2870228833, 20091601831]

約数ペア:

[(1, 20091601831), (7, 2870228833), (53, 379086827), (167, 120308993), (371, 54155261), (479, 41944889), (677, 29677403), (1169, 17186999), (3353, 5992127), (4739, 4239629), (8851, 2269981), (25387, 791413), (35881, 559951), (61957, 324283), (79993, 251167), (113059, 177709)]