20622595

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 29675520

約数和(自身を除く): 9052925

約数列:

[1, 5, 7, 31, 35, 83, 155, 217, 229, 415, 581, 1085, 1145, 1603, 2573, 2905, 7099, 8015, 12865, 18011, 19007, 35495, 49693, 90055, 95035, 133049, 248465, 589217, 665245, 2946085, 4124519, 20622595]

約数ペア:

[(1, 20622595), (5, 4124519), (7, 2946085), (31, 665245), (35, 589217), (83, 248465), (155, 133049), (217, 95035), (229, 90055), (415, 49693), (581, 35495), (1085, 19007), (1145, 18011), (1603, 12865), (2573, 8015), (2905, 7099)]