20197560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4549}}^1$

素因数の和:4600

約数の個数: 64

約数和(自身を含む): 62244000

約数和(自身を除く): 42046440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 4549, 9098, 13647, 18196, 22745, 27294, 36392, 45490, 54588, 68235, 90980, 109176, 136470, 168313, 181960, 272940, 336626, 504939, 545880, 673252, 841565, 1009878, 1346504, 1683130, 2019756, 2524695, 3366260, 4039512, 5049390, 6732520, 10098780, 20197560]

約数ペア:

[(1, 20197560), (2, 10098780), (3, 6732520), (4, 5049390), (5, 4039512), (6, 3366260), (8, 2524695), (10, 2019756), (12, 1683130), (15, 1346504), (20, 1009878), (24, 841565), (30, 673252), (37, 545880), (40, 504939), (60, 336626), (74, 272940), (111, 181960), (120, 168313), (148, 136470), (185, 109176), (222, 90980), (296, 68235), (370, 54588), (444, 45490), (555, 36392), (740, 27294), (888, 22745), (1110, 18196), (1480, 13647), (2220, 9098), (4440, 4549)]