20466040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3847}}^1$

素因数の和:3884

約数の個数: 64

約数和(自身を含む): 55411200

約数和(自身を除く): 34945160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 3847, 5320, 7694, 15388, 19235, 26929, 30776, 38470, 53858, 73093, 76940, 107716, 134645, 146186, 153880, 215432, 269290, 292372, 365465, 511651, 538580, 584744, 730930, 1023302, 1077160, 1461860, 2046604, 2558255, 2923720, 4093208, 5116510, 10233020, 20466040]

約数ペア:

[(1, 20466040), (2, 10233020), (4, 5116510), (5, 4093208), (7, 2923720), (8, 2558255), (10, 2046604), (14, 1461860), (19, 1077160), (20, 1023302), (28, 730930), (35, 584744), (38, 538580), (40, 511651), (56, 365465), (70, 292372), (76, 269290), (95, 215432), (133, 153880), (140, 146186), (152, 134645), (190, 107716), (266, 76940), (280, 73093), (380, 53858), (532, 38470), (665, 30776), (760, 26929), (1064, 19235), (1330, 15388), (2660, 7694), (3847, 5320)]