20462805

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{617}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 39334464

約数和(自身を除く): 18871659

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 67, 99, 165, 201, 335, 495, 603, 617, 737, 1005, 1851, 2211, 3015, 3085, 3685, 5553, 6633, 6787, 9255, 11055, 20361, 27765, 33165, 33935, 41339, 61083, 101805, 124017, 206695, 305415, 372051, 454729, 620085, 1364187, 1860255, 2273645, 4092561, 6820935, 20462805]

約数ペア:

[(1, 20462805), (3, 6820935), (5, 4092561), (9, 2273645), (11, 1860255), (15, 1364187), (33, 620085), (45, 454729), (55, 372051), (67, 305415), (99, 206695), (165, 124017), (201, 101805), (335, 61083), (495, 41339), (603, 33935), (617, 33165), (737, 27765), (1005, 20361), (1851, 11055), (2211, 9255), (3015, 6787), (3085, 6633), (3685, 5553)]