20041063120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19270253}}^1$

素因数の和:19270279

約数の個数: 40

約数和(自身を含む): 50179741416

約数和(自身を除く): 30138678296

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 19270253, 38540506, 77081012, 96351265, 154162024, 192702530, 250513289, 308324048, 385405060, 501026578, 770810120, 1002053156, 1252566445, 1541620240, 2004106312, 2505132890, 4008212624, 5010265780, 10020531560, 20041063120]

約数ペア:

[(1, 20041063120), (2, 10020531560), (4, 5010265780), (5, 4008212624), (8, 2505132890), (10, 2004106312), (13, 1541620240), (16, 1252566445), (20, 1002053156), (26, 770810120), (40, 501026578), (52, 385405060), (65, 308324048), (80, 250513289), (104, 192702530), (130, 154162024), (208, 96351265), (260, 77081012), (520, 38540506), (1040, 19270253)]