20382003

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{593}}^1$

素因数の和:688

約数の個数: 32

約数和(自身を含む): 32313600

約数和(自身を除く): 11931597

約数列:

[1, 3, 9, 19, 27, 57, 67, 171, 201, 513, 593, 603, 1273, 1779, 1809, 3819, 5337, 11267, 11457, 16011, 33801, 34371, 39731, 101403, 119193, 304209, 357579, 754889, 1072737, 2264667, 6794001, 20382003]

約数ペア:

[(1, 20382003), (3, 6794001), (9, 2264667), (19, 1072737), (27, 754889), (57, 357579), (67, 304209), (171, 119193), (201, 101403), (513, 39731), (593, 34371), (603, 33801), (1273, 16011), (1779, 11457), (1809, 11267), (3819, 5337)]