20667090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 52246656

約数和(自身を除く): 31579566

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 43, 74, 86, 111, 129, 185, 215, 222, 258, 370, 430, 433, 555, 645, 866, 1110, 1290, 1299, 1591, 2165, 2598, 3182, 4330, 4773, 6495, 7955, 9546, 12990, 15910, 16021, 18619, 23865, 32042, 37238, 47730, 48063, 55857, 80105, 93095, 96126, 111714, 160210, 186190, 240315, 279285, 480630, 558570, 688903, 1377806, 2066709, 3444515, 4133418, 6889030, 10333545, 20667090]

約数ペア:

[(1, 20667090), (2, 10333545), (3, 6889030), (5, 4133418), (6, 3444515), (10, 2066709), (15, 1377806), (30, 688903), (37, 558570), (43, 480630), (74, 279285), (86, 240315), (111, 186190), (129, 160210), (185, 111714), (215, 96126), (222, 93095), (258, 80105), (370, 55857), (430, 48063), (433, 47730), (555, 37238), (645, 32042), (866, 23865), (1110, 18619), (1290, 16021), (1299, 15910), (1591, 12990), (2165, 9546), (2598, 7955), (3182, 6495), (4330, 4773)]