20445730

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{947}}^1$

素因数の和:1098

約数の個数: 32

約数和(自身を含む): 39315456

約数和(自身を除く): 18869726

約数列:

[1, 2, 5, 10, 17, 34, 85, 127, 170, 254, 635, 947, 1270, 1894, 2159, 4318, 4735, 9470, 10795, 16099, 21590, 32198, 80495, 120269, 160990, 240538, 601345, 1202690, 2044573, 4089146, 10222865, 20445730]

約数ペア:

[(1, 20445730), (2, 10222865), (5, 4089146), (10, 2044573), (17, 1202690), (34, 601345), (85, 240538), (127, 160990), (170, 120269), (254, 80495), (635, 32198), (947, 21590), (1270, 16099), (1894, 10795), (2159, 9470), (4318, 4735)]