20315748

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1879}}^1$

素因数の和:1956

約数の個数: 48

約数和(自身を含む): 51166080

約数和(自身を除く): 30850332

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 53, 68, 102, 106, 159, 204, 212, 318, 636, 901, 1802, 1879, 2703, 3604, 3758, 5406, 5637, 7516, 10812, 11274, 22548, 31943, 63886, 95829, 99587, 127772, 191658, 199174, 298761, 383316, 398348, 597522, 1195044, 1692979, 3385958, 5078937, 6771916, 10157874, 20315748]

約数ペア:

[(1, 20315748), (2, 10157874), (3, 6771916), (4, 5078937), (6, 3385958), (12, 1692979), (17, 1195044), (34, 597522), (51, 398348), (53, 383316), (68, 298761), (102, 199174), (106, 191658), (159, 127772), (204, 99587), (212, 95829), (318, 63886), (636, 31943), (901, 22548), (1802, 11274), (1879, 10812), (2703, 7516), (3604, 5637), (3758, 5406)]