20235156617

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1\times {\mathrm{3943}}^1$

素因数の和:4317

約数の個数: 32

約数和(自身を含む): 23323238400

約数和(自身を除く): 3088081783

約数列:

[1, 13, 19, 79, 247, 263, 1027, 1501, 3419, 3943, 4997, 19513, 20777, 51259, 64961, 74917, 270101, 311497, 394763, 973921, 1037009, 4049461, 5131919, 5918443, 13481117, 19703171, 76939759, 81923711, 256141223, 1065008243, 1556550509, 20235156617]

約数ペア:

[(1, 20235156617), (13, 1556550509), (19, 1065008243), (79, 256141223), (247, 81923711), (263, 76939759), (1027, 19703171), (1501, 13481117), (3419, 5918443), (3943, 5131919), (4997, 4049461), (19513, 1037009), (20777, 973921), (51259, 394763), (64961, 311497), (74917, 270101)]