20452110

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13913}}^1$

素因数の和:13937

約数の個数: 48

約数和(自身を含む): 57103056

約数和(自身を除く): 36650946

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 13913, 27826, 41739, 69565, 83478, 97391, 139130, 194782, 208695, 292173, 417390, 486955, 584346, 681737, 973910, 1363474, 1460865, 2045211, 2921730, 3408685, 4090422, 6817370, 10226055, 20452110]

約数ペア:

[(1, 20452110), (2, 10226055), (3, 6817370), (5, 4090422), (6, 3408685), (7, 2921730), (10, 2045211), (14, 1460865), (15, 1363474), (21, 973910), (30, 681737), (35, 584346), (42, 486955), (49, 417390), (70, 292173), (98, 208695), (105, 194782), (147, 139130), (210, 97391), (245, 83478), (294, 69565), (490, 41739), (735, 27826), (1470, 13913)]