20874516

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{133811}}^1$

素因数の和:133831

約数の個数: 24

約数和(自身を含む): 52454304

約数和(自身を除く): 31579788

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 133811, 267622, 401433, 535244, 802866, 1605732, 1739543, 3479086, 5218629, 6958172, 10437258, 20874516]

約数ペア:

[(1, 20874516), (2, 10437258), (3, 6958172), (4, 5218629), (6, 3479086), (12, 1739543), (13, 1605732), (26, 802866), (39, 535244), (52, 401433), (78, 267622), (156, 133811)]