20171288872

素因数分解:

$2^3\times 7^1\times {\mathrm{541}}^1\times {\mathrm{809}}^1\times {\mathrm{823}}^1$

素因数の和:2186

約数の個数: 64

約数和(自身を含む): 43410297600

約数和(自身を除く): 23239008728

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 541, 809, 823, 1082, 1618, 1646, 2164, 3236, 3292, 3787, 4328, 5663, 5761, 6472, 6584, 7574, 11326, 11522, 15148, 22652, 23044, 30296, 45304, 46088, 437669, 445243, 665807, 875338, 890486, 1331614, 1750676, 1780972, 2663228, 3063683, 3116701, 3501352, 3561944, 4660649, 5326456, 6127366, 6233402, 9321298, 12254732, 12466804, 18642596, 24509464, 24933608, 37285192, 360201587, 720403174, 1440806348, 2521411109, 2881612696, 5042822218, 10085644436, 20171288872]

約数ペア:

[(1, 20171288872), (2, 10085644436), (4, 5042822218), (7, 2881612696), (8, 2521411109), (14, 1440806348), (28, 720403174), (56, 360201587), (541, 37285192), (809, 24933608), (823, 24509464), (1082, 18642596), (1618, 12466804), (1646, 12254732), (2164, 9321298), (3236, 6233402), (3292, 6127366), (3787, 5326456), (4328, 4660649), (5663, 3561944), (5761, 3501352), (6472, 3116701), (6584, 3063683), (7574, 2663228), (11326, 1780972), (11522, 1750676), (15148, 1331614), (22652, 890486), (23044, 875338), (30296, 665807), (45304, 445243), (46088, 437669)]