20379464812

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1637}}^1\times {\mathrm{8389}}^1$

素因数の和:10090

約数の個数: 48

約数和(自身を含む): 41558287680

約数和(自身を除く): 21178822868

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 1637, 3274, 6548, 8389, 11459, 16778, 22918, 33556, 45836, 58723, 86761, 117446, 173522, 234892, 347044, 444617, 607327, 889234, 1214654, 1778468, 2429308, 3112319, 6224638, 12449276, 13732793, 27465586, 54931172, 96129551, 192259102, 384518204, 727838029, 1455676058, 2911352116, 5094866203, 10189732406, 20379464812]

約数ペア:

[(1, 20379464812), (2, 10189732406), (4, 5094866203), (7, 2911352116), (14, 1455676058), (28, 727838029), (53, 384518204), (106, 192259102), (212, 96129551), (371, 54931172), (742, 27465586), (1484, 13732793), (1637, 12449276), (3274, 6224638), (6548, 3112319), (8389, 2429308), (11459, 1778468), (16778, 1214654), (22918, 889234), (33556, 607327), (45836, 444617), (58723, 347044), (86761, 234892), (117446, 173522)]