20120888

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{907}}^1$

素因数の和:1019

約数の個数: 32

約数和(自身を含む): 39225600

約数和(自身を除く): 19104712

約数列:

[1, 2, 4, 8, 47, 59, 94, 118, 188, 236, 376, 472, 907, 1814, 2773, 3628, 5546, 7256, 11092, 22184, 42629, 53513, 85258, 107026, 170516, 214052, 341032, 428104, 2515111, 5030222, 10060444, 20120888]

約数ペア:

[(1, 20120888), (2, 10060444), (4, 5030222), (8, 2515111), (47, 428104), (59, 341032), (94, 214052), (118, 170516), (188, 107026), (236, 85258), (376, 53513), (472, 42629), (907, 22184), (1814, 11092), (2773, 7256), (3628, 5546)]