20888658

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{757}}^1$

素因数の和:848

約数の個数: 64

約数和(自身を含む): 53848320

約数和(自身を除く): 32959662

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 73, 126, 146, 189, 219, 378, 438, 511, 657, 757, 1022, 1314, 1514, 1533, 1971, 2271, 3066, 3942, 4542, 4599, 5299, 6813, 9198, 10598, 13626, 13797, 15897, 20439, 27594, 31794, 40878, 47691, 55261, 95382, 110522, 143073, 165783, 286146, 331566, 386827, 497349, 773654, 994698, 1160481, 1492047, 2320962, 2984094, 3481443, 6962886, 10444329, 20888658]

約数ペア:

[(1, 20888658), (2, 10444329), (3, 6962886), (6, 3481443), (7, 2984094), (9, 2320962), (14, 1492047), (18, 1160481), (21, 994698), (27, 773654), (42, 497349), (54, 386827), (63, 331566), (73, 286146), (126, 165783), (146, 143073), (189, 110522), (219, 95382), (378, 55261), (438, 47691), (511, 40878), (657, 31794), (757, 27594), (1022, 20439), (1314, 15897), (1514, 13797), (1533, 13626), (1971, 10598), (2271, 9198), (3066, 6813), (3942, 5299), (4542, 4599)]