20716272

素因数分解:

$2^4\times 3^2\times {\mathrm{293}}^1\times {\mathrm{491}}^1$

素因数の和:798

約数の個数: 60

約数和(自身を含む): 58293144

約数和(自身を除く): 37576872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 293, 491, 586, 879, 982, 1172, 1473, 1758, 1964, 2344, 2637, 2946, 3516, 3928, 4419, 4688, 5274, 5892, 7032, 7856, 8838, 10548, 11784, 14064, 17676, 21096, 23568, 35352, 42192, 70704, 143863, 287726, 431589, 575452, 863178, 1150904, 1294767, 1726356, 2301808, 2589534, 3452712, 5179068, 6905424, 10358136, 20716272]

約数ペア:

[(1, 20716272), (2, 10358136), (3, 6905424), (4, 5179068), (6, 3452712), (8, 2589534), (9, 2301808), (12, 1726356), (16, 1294767), (18, 1150904), (24, 863178), (36, 575452), (48, 431589), (72, 287726), (144, 143863), (293, 70704), (491, 42192), (586, 35352), (879, 23568), (982, 21096), (1172, 17676), (1473, 14064), (1758, 11784), (1964, 10548), (2344, 8838), (2637, 7856), (2946, 7032), (3516, 5892), (3928, 5274), (4419, 4688)]