20144090840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2111}}^1\times {\mathrm{14033}}^1$

素因数の和:16172

約数の個数: 64

約数和(自身を含む): 48016488960

約数和(自身を除く): 27872398120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 2111, 4222, 8444, 10555, 14033, 16888, 21110, 28066, 35887, 42220, 56132, 70165, 71774, 84440, 112264, 140330, 143548, 179435, 238561, 280660, 287096, 358870, 477122, 561320, 717740, 954244, 1192805, 1435480, 1908488, 2385610, 4771220, 9542440, 29623663, 59247326, 118494652, 148118315, 236989304, 296236630, 503602271, 592473260, 1007204542, 1184946520, 2014409084, 2518011355, 4028818168, 5036022710, 10072045420, 20144090840]

約数ペア:

[(1, 20144090840), (2, 10072045420), (4, 5036022710), (5, 4028818168), (8, 2518011355), (10, 2014409084), (17, 1184946520), (20, 1007204542), (34, 592473260), (40, 503602271), (68, 296236630), (85, 236989304), (136, 148118315), (170, 118494652), (340, 59247326), (680, 29623663), (2111, 9542440), (4222, 4771220), (8444, 2385610), (10555, 1908488), (14033, 1435480), (16888, 1192805), (21110, 954244), (28066, 717740), (35887, 561320), (42220, 477122), (56132, 358870), (70165, 287096), (71774, 280660), (84440, 238561), (112264, 179435), (140330, 143548)]