20715942

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{761}}^1$

素因数の和:1128

約数の個数: 32

約数和(自身を含む): 44805600

約数和(自身を除く): 24089658

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 349, 698, 761, 1047, 1522, 2094, 2283, 4537, 4566, 9074, 9893, 13611, 19786, 27222, 29679, 59358, 265589, 531178, 796767, 1593534, 3452657, 6905314, 10357971, 20715942]

約数ペア:

[(1, 20715942), (2, 10357971), (3, 6905314), (6, 3452657), (13, 1593534), (26, 796767), (39, 531178), (78, 265589), (349, 59358), (698, 29679), (761, 27222), (1047, 19786), (1522, 13611), (2094, 9893), (2283, 9074), (4537, 4566)]