20160868

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{571}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 43947904

約数和(自身を除く): 23787036

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 97, 182, 194, 364, 388, 571, 679, 1142, 1261, 1358, 2284, 2522, 2716, 3997, 5044, 7423, 7994, 8827, 14846, 15988, 17654, 29692, 35308, 51961, 55387, 103922, 110774, 207844, 221548, 387709, 720031, 775418, 1440062, 1550836, 2880124, 5040217, 10080434, 20160868]

約数ペア:

[(1, 20160868), (2, 10080434), (4, 5040217), (7, 2880124), (13, 1550836), (14, 1440062), (26, 775418), (28, 720031), (52, 387709), (91, 221548), (97, 207844), (182, 110774), (194, 103922), (364, 55387), (388, 51961), (571, 35308), (679, 29692), (1142, 17654), (1261, 15988), (1358, 14846), (2284, 8827), (2522, 7994), (2716, 7423), (3997, 5044)]