20120670825

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{613903}}^1$

素因数の和:613958

約数の個数: 48

約数和(自身を含む): 36539566080

約数和(自身を除く): 16418895255

約数列:

[1, 3, 5, 15, 19, 23, 25, 57, 69, 75, 95, 115, 285, 345, 437, 475, 575, 1311, 1425, 1725, 2185, 6555, 10925, 32775, 613903, 1841709, 3069515, 9208545, 11664157, 14119769, 15347575, 34992471, 42359307, 46042725, 58320785, 70598845, 174962355, 211796535, 268275611, 291603925, 352994225, 804826833, 874811775, 1058982675, 1341378055, 4024134165, 6706890275, 20120670825]

約数ペア:

[(1, 20120670825), (3, 6706890275), (5, 4024134165), (15, 1341378055), (19, 1058982675), (23, 874811775), (25, 804826833), (57, 352994225), (69, 291603925), (75, 268275611), (95, 211796535), (115, 174962355), (285, 70598845), (345, 58320785), (437, 46042725), (475, 42359307), (575, 34992471), (1311, 15347575), (1425, 14119769), (1725, 11664157), (2185, 9208545), (6555, 3069515), (10925, 1841709), (32775, 613903)]