20212794

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{7639}}^1$

素因数の和:7664

約数の個数: 48

約数和(自身を含む): 52257600

約数和(自身を除く): 32044806

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 378, 441, 882, 1323, 2646, 7639, 15278, 22917, 45834, 53473, 68751, 106946, 137502, 160419, 206253, 320838, 374311, 412506, 481257, 748622, 962514, 1122933, 1443771, 2245866, 2887542, 3368799, 6737598, 10106397, 20212794]

約数ペア:

[(1, 20212794), (2, 10106397), (3, 6737598), (6, 3368799), (7, 2887542), (9, 2245866), (14, 1443771), (18, 1122933), (21, 962514), (27, 748622), (42, 481257), (49, 412506), (54, 374311), (63, 320838), (98, 206253), (126, 160419), (147, 137502), (189, 106946), (294, 68751), (378, 53473), (441, 45834), (882, 22917), (1323, 15278), (2646, 7639)]