20199555880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{165083}}^1$

素因数の和:165143

約数の個数: 128

約数和(自身を含む): 57053030400

約数和(自身を除く): 36853474520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 23, 28, 35, 38, 40, 46, 56, 70, 76, 92, 95, 115, 133, 140, 152, 161, 184, 190, 230, 266, 280, 322, 380, 437, 460, 532, 644, 665, 760, 805, 874, 920, 1064, 1288, 1330, 1610, 1748, 2185, 2660, 3059, 3220, 3496, 4370, 5320, 6118, 6440, 8740, 12236, 15295, 17480, 24472, 30590, 61180, 122360, 165083, 330166, 660332, 825415, 1155581, 1320664, 1650830, 2311162, 3136577, 3301660, 3796909, 4622324, 5777905, 6273154, 6603320, 7593818, 9244648, 11555810, 12546308, 15187636, 15682885, 18984545, 21956039, 23111620, 25092616, 26578363, 30375272, 31365770, 37969090, 43912078, 46223240, 53156726, 62731540, 72141271, 75938180, 87824156, 106313452, 109780195, 125463080, 132891815, 144282542, 151876360, 175648312, 212626904, 219560390, 265783630, 288565084, 360706355, 439120780, 504988897, 531567260, 577130168, 721412710, 878241560, 1009977794, 1063134520, 1442825420, 2019955588, 2524944485, 2885650840, 4039911176, 5049888970, 10099777940, 20199555880]

約数ペア:

[(1, 20199555880), (2, 10099777940), (4, 5049888970), (5, 4039911176), (7, 2885650840), (8, 2524944485), (10, 2019955588), (14, 1442825420), (19, 1063134520), (20, 1009977794), (23, 878241560), (28, 721412710), (35, 577130168), (38, 531567260), (40, 504988897), (46, 439120780), (56, 360706355), (70, 288565084), (76, 265783630), (92, 219560390), (95, 212626904), (115, 175648312), (133, 151876360), (140, 144282542), (152, 132891815), (161, 125463080), (184, 109780195), (190, 106313452), (230, 87824156), (266, 75938180), (280, 72141271), (322, 62731540), (380, 53156726), (437, 46223240), (460, 43912078), (532, 37969090), (644, 31365770), (665, 30375272), (760, 26578363), (805, 25092616), (874, 23111620), (920, 21956039), (1064, 18984545), (1288, 15682885), (1330, 15187636), (1610, 12546308), (1748, 11555810), (2185, 9244648), (2660, 7593818), (3059, 6603320), (3220, 6273154), (3496, 5777905), (4370, 4622324), (5320, 3796909), (6118, 3301660), (6440, 3136577), (8740, 2311162), (12236, 1650830), (15295, 1320664), (17480, 1155581), (24472, 825415), (30590, 660332), (61180, 330166), (122360, 165083)]