20742718

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{14753}}^1$

素因数の和:14811

約数の個数: 16

約数和(自身を含む): 33639120

約数和(自身を除く): 12896402

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 14753, 29506, 280307, 545861, 560614, 1091722, 10371359, 20742718]

約数ペア:

[(1, 20742718), (2, 10371359), (19, 1091722), (37, 560614), (38, 545861), (74, 280307), (703, 29506), (1406, 14753)]