20153835

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{733}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 38473344

約数和(自身を除く): 18319509

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 47, 65, 117, 141, 195, 235, 423, 585, 611, 705, 733, 1833, 2115, 2199, 3055, 3665, 5499, 6597, 9165, 9529, 10995, 27495, 28587, 32985, 34451, 47645, 85761, 103353, 142935, 172255, 310059, 428805, 447863, 516765, 1343589, 1550295, 2239315, 4030767, 6717945, 20153835]

約数ペア:

[(1, 20153835), (3, 6717945), (5, 4030767), (9, 2239315), (13, 1550295), (15, 1343589), (39, 516765), (45, 447863), (47, 428805), (65, 310059), (117, 172255), (141, 142935), (195, 103353), (235, 85761), (423, 47645), (585, 34451), (611, 32985), (705, 28587), (733, 27495), (1833, 10995), (2115, 9529), (2199, 9165), (3055, 6597), (3665, 5499)]