20642024

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 44029440

約数和(自身を除く): 23387416

約数列:

[1, 2, 4, 8, 13, 26, 41, 47, 52, 82, 94, 103, 104, 164, 188, 206, 328, 376, 412, 533, 611, 824, 1066, 1222, 1339, 1927, 2132, 2444, 2678, 3854, 4223, 4264, 4841, 4888, 5356, 7708, 8446, 9682, 10712, 15416, 16892, 19364, 25051, 33784, 38728, 50102, 54899, 62933, 100204, 109798, 125866, 198481, 200408, 219596, 251732, 396962, 439192, 503464, 793924, 1587848, 2580253, 5160506, 10321012, 20642024]

約数ペア:

[(1, 20642024), (2, 10321012), (4, 5160506), (8, 2580253), (13, 1587848), (26, 793924), (41, 503464), (47, 439192), (52, 396962), (82, 251732), (94, 219596), (103, 200408), (104, 198481), (164, 125866), (188, 109798), (206, 100204), (328, 62933), (376, 54899), (412, 50102), (533, 38728), (611, 33784), (824, 25051), (1066, 19364), (1222, 16892), (1339, 15416), (1927, 10712), (2132, 9682), (2444, 8446), (2678, 7708), (3854, 5356), (4223, 4888), (4264, 4841)]