20162787848

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1245847}}^1$

素因数の和:1245894

約数の個数: 48

約数和(自身を含む): 45897040320

約数和(自身を除く): 25734252472

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 289, 476, 578, 952, 1156, 2023, 2312, 4046, 8092, 16184, 1245847, 2491694, 4983388, 8720929, 9966776, 17441858, 21179399, 34883716, 42358798, 69767432, 84717596, 148255793, 169435192, 296511586, 360049783, 593023172, 720099566, 1186046344, 1440199132, 2520348481, 2880398264, 5040696962, 10081393924, 20162787848]

約数ペア:

[(1, 20162787848), (2, 10081393924), (4, 5040696962), (7, 2880398264), (8, 2520348481), (14, 1440199132), (17, 1186046344), (28, 720099566), (34, 593023172), (56, 360049783), (68, 296511586), (119, 169435192), (136, 148255793), (238, 84717596), (289, 69767432), (476, 42358798), (578, 34883716), (952, 21179399), (1156, 17441858), (2023, 9966776), (2312, 8720929), (4046, 4983388), (8092, 2491694), (16184, 1245847)]