20731128

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4133}}^1$

素因数の和:4172

約数の個数: 64

約数和(自身を含む): 59529600

約数和(自身を除く): 38798472

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 19, 22, 24, 33, 38, 44, 57, 66, 76, 88, 114, 132, 152, 209, 228, 264, 418, 456, 627, 836, 1254, 1672, 2508, 4133, 5016, 8266, 12399, 16532, 24798, 33064, 45463, 49596, 78527, 90926, 99192, 136389, 157054, 181852, 235581, 272778, 314108, 363704, 471162, 545556, 628216, 863797, 942324, 1091112, 1727594, 1884648, 2591391, 3455188, 5182782, 6910376, 10365564, 20731128]

約数ペア:

[(1, 20731128), (2, 10365564), (3, 6910376), (4, 5182782), (6, 3455188), (8, 2591391), (11, 1884648), (12, 1727594), (19, 1091112), (22, 942324), (24, 863797), (33, 628216), (38, 545556), (44, 471162), (57, 363704), (66, 314108), (76, 272778), (88, 235581), (114, 181852), (132, 157054), (152, 136389), (209, 99192), (228, 90926), (264, 78527), (418, 49596), (456, 45463), (627, 33064), (836, 24798), (1254, 16532), (1672, 12399), (2508, 8266), (4133, 5016)]