201966820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{22391}}^1$

素因数の和:22452

約数の個数: 48

約数和(自身を含む): 473993856

約数和(自身を除く): 272027036

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 9020, 22391, 44782, 89564, 111955, 223910, 246301, 447820, 492602, 918031, 985204, 1231505, 1836062, 2463010, 3672124, 4590155, 4926020, 9180310, 10098341, 18360620, 20196682, 40393364, 50491705, 100983410, 201966820]

約数ペア:

[(1, 201966820), (2, 100983410), (4, 50491705), (5, 40393364), (10, 20196682), (11, 18360620), (20, 10098341), (22, 9180310), (41, 4926020), (44, 4590155), (55, 3672124), (82, 2463010), (110, 1836062), (164, 1231505), (205, 985204), (220, 918031), (410, 492602), (451, 447820), (820, 246301), (902, 223910), (1804, 111955), (2255, 89564), (4510, 44782), (9020, 22391)]