20099207425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1\times {\mathrm{1831}}^1$

素因数の和:2254

約数の個数: 48

約数和(自身を含む): 27478241280

約数和(自身を除く): 7379033855

約数列:

[1, 5, 11, 25, 55, 179, 223, 275, 895, 1115, 1831, 1969, 2453, 4475, 5575, 9155, 9845, 12265, 20141, 39917, 45775, 49225, 61325, 100705, 199585, 327749, 408313, 439087, 503525, 997925, 1638745, 2041565, 2195435, 3605239, 4491443, 8193725, 10207825, 10977175, 18026195, 22457215, 73088027, 90130975, 112286075, 365440135, 803968297, 1827200675, 4019841485, 20099207425]

約数ペア:

[(1, 20099207425), (5, 4019841485), (11, 1827200675), (25, 803968297), (55, 365440135), (179, 112286075), (223, 90130975), (275, 73088027), (895, 22457215), (1115, 18026195), (1831, 10977175), (1969, 10207825), (2453, 8193725), (4475, 4491443), (5575, 3605239), (9155, 2195435), (9845, 2041565), (12265, 1638745), (20141, 997925), (39917, 503525), (45775, 439087), (49225, 408313), (61325, 327749), (100705, 199585)]