20891460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{348191}}^1$

素因数の和:348203

約数の個数: 24

約数和(自身を含む): 58496256

約数和(自身を除く): 37604796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 348191, 696382, 1044573, 1392764, 1740955, 2089146, 3481910, 4178292, 5222865, 6963820, 10445730, 20891460]

約数ペア:

[(1, 20891460), (2, 10445730), (3, 6963820), (4, 5222865), (5, 4178292), (6, 3481910), (10, 2089146), (12, 1740955), (15, 1392764), (20, 1044573), (30, 696382), (60, 348191)]