20859210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4373}}^1$

素因数の和:4439

約数の個数: 48

約数和(自身を含む): 55269864

約数和(自身を除く): 34410654

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 53, 90, 106, 159, 265, 318, 477, 530, 795, 954, 1590, 2385, 4373, 4770, 8746, 13119, 21865, 26238, 39357, 43730, 65595, 78714, 131190, 196785, 231769, 393570, 463538, 695307, 1158845, 1390614, 2085921, 2317690, 3476535, 4171842, 6953070, 10429605, 20859210]

約数ペア:

[(1, 20859210), (2, 10429605), (3, 6953070), (5, 4171842), (6, 3476535), (9, 2317690), (10, 2085921), (15, 1390614), (18, 1158845), (30, 695307), (45, 463538), (53, 393570), (90, 231769), (106, 196785), (159, 131190), (265, 78714), (318, 65595), (477, 43730), (530, 39357), (795, 26238), (954, 21865), (1590, 13119), (2385, 8746), (4373, 4770)]