20912796

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^1\times {\mathrm{8419}}^1$

素因数の和:8455

約数の個数: 48

約数和(自身を含む): 56582400

約数和(自身を除く): 35669604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 92, 108, 138, 207, 276, 414, 621, 828, 1242, 2484, 8419, 16838, 25257, 33676, 50514, 75771, 101028, 151542, 193637, 227313, 303084, 387274, 454626, 580911, 774548, 909252, 1161822, 1742733, 2323644, 3485466, 5228199, 6970932, 10456398, 20912796]

約数ペア:

[(1, 20912796), (2, 10456398), (3, 6970932), (4, 5228199), (6, 3485466), (9, 2323644), (12, 1742733), (18, 1161822), (23, 909252), (27, 774548), (36, 580911), (46, 454626), (54, 387274), (69, 303084), (92, 227313), (108, 193637), (138, 151542), (207, 101028), (276, 75771), (414, 50514), (621, 33676), (828, 25257), (1242, 16838), (2484, 8419)]