20348520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4583}}^1$

素因数の和:4634

約数の個数: 64

約数和(自身を含む): 62709120

約数和(自身を除く): 42360600

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, 4583, 9166, 13749, 18332, 22915, 27498, 36664, 45830, 54996, 68745, 91660, 109992, 137490, 169571, 183320, 274980, 339142, 508713, 549960, 678284, 847855, 1017426, 1356568, 1695710, 2034852, 2543565, 3391420, 4069704, 5087130, 6782840, 10174260, 20348520]

約数ペア:

[(1, 20348520), (2, 10174260), (3, 6782840), (4, 5087130), (5, 4069704), (6, 3391420), (8, 2543565), (10, 2034852), (12, 1695710), (15, 1356568), (20, 1017426), (24, 847855), (30, 678284), (37, 549960), (40, 508713), (60, 339142), (74, 274980), (111, 183320), (120, 169571), (148, 137490), (185, 109992), (222, 91660), (296, 68745), (370, 54996), (444, 45830), (555, 36664), (740, 27498), (888, 22915), (1110, 18332), (1480, 13749), (2220, 9166), (4440, 4583)]