20789736

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{7159}}^1$

素因数の和:7190

約数の個数: 48

約数和(自身を含む): 57136800

約数和(自身を除く): 36347064

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 121, 132, 242, 264, 363, 484, 726, 968, 1452, 2904, 7159, 14318, 21477, 28636, 42954, 57272, 78749, 85908, 157498, 171816, 236247, 314996, 472494, 629992, 866239, 944988, 1732478, 1889976, 2598717, 3464956, 5197434, 6929912, 10394868, 20789736]

約数ペア:

[(1, 20789736), (2, 10394868), (3, 6929912), (4, 5197434), (6, 3464956), (8, 2598717), (11, 1889976), (12, 1732478), (22, 944988), (24, 866239), (33, 629992), (44, 472494), (66, 314996), (88, 236247), (121, 171816), (132, 157498), (242, 85908), (264, 78749), (363, 57272), (484, 42954), (726, 28636), (968, 21477), (1452, 14318), (2904, 7159)]