20215291292

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{601}}^1$

素因数の和:931

約数の個数: 96

約数和(自身を含む): 41651850240

約数和(自身を除く): 21436558948

約数列:

[1, 2, 4, 7, 14, 28, 103, 107, 109, 206, 214, 218, 412, 428, 436, 601, 721, 749, 763, 1202, 1442, 1498, 1526, 2404, 2884, 2996, 3052, 4207, 8414, 11021, 11227, 11663, 16828, 22042, 22454, 23326, 44084, 44908, 46652, 61903, 64307, 65509, 77147, 78589, 81641, 123806, 128614, 131018, 154294, 157178, 163282, 247612, 257228, 262036, 308588, 314356, 326564, 433321, 450149, 458563, 866642, 900298, 917126, 1201289, 1733284, 1800596, 1834252, 2402578, 4805156, 6623621, 6747427, 7009463, 8409023, 13247242, 13494854, 14018926, 16818046, 26494484, 26989708, 28037852, 33636092, 46365347, 47231989, 49066241, 92730694, 94463978, 98132482, 185461388, 188927956, 196264964, 721974689, 1443949378, 2887898756, 5053822823, 10107645646, 20215291292]

約数ペア:

[(1, 20215291292), (2, 10107645646), (4, 5053822823), (7, 2887898756), (14, 1443949378), (28, 721974689), (103, 196264964), (107, 188927956), (109, 185461388), (206, 98132482), (214, 94463978), (218, 92730694), (412, 49066241), (428, 47231989), (436, 46365347), (601, 33636092), (721, 28037852), (749, 26989708), (763, 26494484), (1202, 16818046), (1442, 14018926), (1498, 13494854), (1526, 13247242), (2404, 8409023), (2884, 7009463), (2996, 6747427), (3052, 6623621), (4207, 4805156), (8414, 2402578), (11021, 1834252), (11227, 1800596), (11663, 1733284), (16828, 1201289), (22042, 917126), (22454, 900298), (23326, 866642), (44084, 458563), (44908, 450149), (46652, 433321), (61903, 326564), (64307, 314356), (65509, 308588), (77147, 262036), (78589, 257228), (81641, 247612), (123806, 163282), (128614, 157178), (131018, 154294)]