20208188

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:152

約数の個数: 96

約数和(自身を含む): 48921600

約数和(自身を除く): 28713412

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 91, 98, 103, 143, 154, 182, 196, 206, 286, 308, 343, 364, 412, 539, 572, 637, 686, 721, 1001, 1078, 1133, 1274, 1339, 1372, 1442, 2002, 2156, 2266, 2548, 2678, 2884, 3773, 4004, 4459, 4532, 5047, 5356, 7007, 7546, 7931, 8918, 9373, 10094, 14014, 14729, 15092, 15862, 17836, 18746, 20188, 28028, 29458, 31724, 35329, 37492, 49049, 55517, 58916, 65611, 70658, 98098, 103103, 111034, 131222, 141316, 196196, 206206, 222068, 262444, 388619, 412412, 459277, 721721, 777238, 918554, 1443442, 1554476, 1837108, 2886884, 5052047, 10104094, 20208188]

約数ペア:

[(1, 20208188), (2, 10104094), (4, 5052047), (7, 2886884), (11, 1837108), (13, 1554476), (14, 1443442), (22, 918554), (26, 777238), (28, 721721), (44, 459277), (49, 412412), (52, 388619), (77, 262444), (91, 222068), (98, 206206), (103, 196196), (143, 141316), (154, 131222), (182, 111034), (196, 103103), (206, 98098), (286, 70658), (308, 65611), (343, 58916), (364, 55517), (412, 49049), (539, 37492), (572, 35329), (637, 31724), (686, 29458), (721, 28028), (1001, 20188), (1078, 18746), (1133, 17836), (1274, 15862), (1339, 15092), (1372, 14729), (1442, 14014), (2002, 10094), (2156, 9373), (2266, 8918), (2548, 7931), (2678, 7546), (2884, 7007), (3773, 5356), (4004, 5047), (4459, 4532)]