20170618132

素因数分解:

$2^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{277}}^1\times {\mathrm{3607}}^1$

素因数の和:4005

約数の個数: 72

約数和(自身を含む): 41621483904

約数和(自身を除く): 21450865772

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 103, 196, 206, 277, 412, 554, 721, 1108, 1442, 1939, 2884, 3607, 3878, 5047, 7214, 7756, 10094, 13573, 14428, 20188, 25249, 27146, 28531, 50498, 54292, 57062, 100996, 114124, 176743, 199717, 353486, 371521, 399434, 706972, 743042, 798868, 999139, 1398019, 1486084, 1998278, 2600647, 2796038, 3996556, 5201294, 5592076, 6993973, 10402588, 13987946, 18204529, 27975892, 36409058, 48957811, 72818116, 97915622, 102911317, 195831244, 205822634, 411645268, 720379219, 1440758438, 2881516876, 5042654533, 10085309066, 20170618132]

約数ペア:

[(1, 20170618132), (2, 10085309066), (4, 5042654533), (7, 2881516876), (14, 1440758438), (28, 720379219), (49, 411645268), (98, 205822634), (103, 195831244), (196, 102911317), (206, 97915622), (277, 72818116), (412, 48957811), (554, 36409058), (721, 27975892), (1108, 18204529), (1442, 13987946), (1939, 10402588), (2884, 6993973), (3607, 5592076), (3878, 5201294), (5047, 3996556), (7214, 2796038), (7756, 2600647), (10094, 1998278), (13573, 1486084), (14428, 1398019), (20188, 999139), (25249, 798868), (27146, 743042), (28531, 706972), (50498, 399434), (54292, 371521), (57062, 353486), (100996, 199717), (114124, 176743)]