20156044987

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{28463}}^1$

素因数の和:28603

約数の個数: 32

約数和(自身を含む): 23718481920

約数和(自身を除く): 3562436933

約数列:

[1, 13, 19, 47, 61, 247, 611, 793, 893, 1159, 2867, 11609, 15067, 28463, 37271, 54473, 370019, 540797, 708149, 1337761, 1736243, 7030361, 17390893, 22571159, 25417459, 32988617, 81603421, 330426967, 428852021, 1060844473, 1550464999, 20156044987]

約数ペア:

[(1, 20156044987), (13, 1550464999), (19, 1060844473), (47, 428852021), (61, 330426967), (247, 81603421), (611, 32988617), (793, 25417459), (893, 22571159), (1159, 17390893), (2867, 7030361), (11609, 1736243), (15067, 1337761), (28463, 708149), (37271, 540797), (54473, 370019)]