20210573620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{2503}}^1$

素因数の和:2825

約数の個数: 96

約数和(自身を含む): 44700606720

約数和(自身を除く): 24490033100

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 229, 410, 430, 458, 820, 860, 916, 1145, 1763, 2290, 2503, 3526, 4580, 5006, 7052, 8815, 9389, 9847, 10012, 12515, 17630, 18778, 19694, 25030, 35260, 37556, 39388, 46945, 49235, 50060, 93890, 98470, 102623, 107629, 187780, 196940, 205246, 215258, 403727, 410492, 430516, 513115, 538145, 573187, 807454, 1026230, 1076290, 1146374, 1614908, 2018635, 2052460, 2152580, 2292748, 2865935, 4037270, 4412789, 5731870, 8074540, 8825578, 11463740, 17651156, 22063945, 23500667, 24647041, 44127890, 47001334, 49294082, 88255780, 94002668, 98588164, 117503335, 123235205, 235006670, 246470410, 470013340, 492940820, 1010528681, 2021057362, 4042114724, 5052643405, 10105286810, 20210573620]

約数ペア:

[(1, 20210573620), (2, 10105286810), (4, 5052643405), (5, 4042114724), (10, 2021057362), (20, 1010528681), (41, 492940820), (43, 470013340), (82, 246470410), (86, 235006670), (164, 123235205), (172, 117503335), (205, 98588164), (215, 94002668), (229, 88255780), (410, 49294082), (430, 47001334), (458, 44127890), (820, 24647041), (860, 23500667), (916, 22063945), (1145, 17651156), (1763, 11463740), (2290, 8825578), (2503, 8074540), (3526, 5731870), (4580, 4412789), (5006, 4037270), (7052, 2865935), (8815, 2292748), (9389, 2152580), (9847, 2052460), (10012, 2018635), (12515, 1614908), (17630, 1146374), (18778, 1076290), (19694, 1026230), (25030, 807454), (35260, 573187), (37556, 538145), (39388, 513115), (46945, 430516), (49235, 410492), (50060, 403727), (93890, 215258), (98470, 205246), (102623, 196940), (107629, 187780)]