20174806484

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2459}}^1\times {\mathrm{4127}}^1$

素因数の和:6668

約数の個数: 48

約数和(自身を含む): 40944476160

約数和(自身を除く): 20769669676

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 2459, 4127, 4918, 8254, 9836, 16508, 17213, 28889, 34426, 57778, 68852, 115556, 174589, 293017, 349178, 586034, 698356, 1172068, 1222123, 2051119, 2444246, 4102238, 4888492, 8204476, 10148293, 20296586, 40593172, 71038051, 142076102, 284152204, 720528803, 1441057606, 2882115212, 5043701621, 10087403242, 20174806484]

約数ペア:

[(1, 20174806484), (2, 10087403242), (4, 5043701621), (7, 2882115212), (14, 1441057606), (28, 720528803), (71, 284152204), (142, 142076102), (284, 71038051), (497, 40593172), (994, 20296586), (1988, 10148293), (2459, 8204476), (4127, 4888492), (4918, 4102238), (8254, 2444246), (9836, 2051119), (16508, 1222123), (17213, 1172068), (28889, 698356), (34426, 586034), (57778, 349178), (68852, 293017), (115556, 174589)]