20335910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{743}}^1$

素因数の和:797

約数の個数: 64

約数和(自身を含む): 46282752

約数和(自身を除く): 25946842

約数列:

[1, 2, 5, 7, 10, 14, 17, 23, 34, 35, 46, 70, 85, 115, 119, 161, 170, 230, 238, 322, 391, 595, 743, 782, 805, 1190, 1486, 1610, 1955, 2737, 3715, 3910, 5201, 5474, 7430, 10402, 12631, 13685, 17089, 25262, 26005, 27370, 34178, 52010, 63155, 85445, 88417, 119623, 126310, 170890, 176834, 239246, 290513, 442085, 581026, 598115, 884170, 1196230, 1452565, 2033591, 2905130, 4067182, 10167955, 20335910]

約数ペア:

[(1, 20335910), (2, 10167955), (5, 4067182), (7, 2905130), (10, 2033591), (14, 1452565), (17, 1196230), (23, 884170), (34, 598115), (35, 581026), (46, 442085), (70, 290513), (85, 239246), (115, 176834), (119, 170890), (161, 126310), (170, 119623), (230, 88417), (238, 85445), (322, 63155), (391, 52010), (595, 34178), (743, 27370), (782, 26005), (805, 25262), (1190, 17089), (1486, 13685), (1610, 12631), (1955, 10402), (2737, 7430), (3715, 5474), (3910, 5201)]