20843287856

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{409}}^1\times {\mathrm{109831}}^1$

素因数の和:110277

約数の個数: 40

約数和(自身を含む): 41878941600

約数和(自身を除く): 21035653744

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 409, 464, 818, 1636, 3272, 6544, 11861, 23722, 47444, 94888, 109831, 189776, 219662, 439324, 878648, 1757296, 3185099, 6370198, 12740396, 25480792, 44920879, 50961584, 89841758, 179683516, 359367032, 718734064, 1302705491, 2605410982, 5210821964, 10421643928, 20843287856]

約数ペア:

[(1, 20843287856), (2, 10421643928), (4, 5210821964), (8, 2605410982), (16, 1302705491), (29, 718734064), (58, 359367032), (116, 179683516), (232, 89841758), (409, 50961584), (464, 44920879), (818, 25480792), (1636, 12740396), (3272, 6370198), (6544, 3185099), (11861, 1757296), (23722, 878648), (47444, 439324), (94888, 219662), (109831, 189776)]