20624504

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 39690000

約数和(自身を除く): 19065496

約数列:

[1, 2, 4, 8, 83, 89, 166, 178, 332, 349, 356, 664, 698, 712, 1396, 2792, 7387, 14774, 28967, 29548, 31061, 57934, 59096, 62122, 115868, 124244, 231736, 248488, 2578063, 5156126, 10312252, 20624504]

約数ペア:

[(1, 20624504), (2, 10312252), (4, 5156126), (8, 2578063), (83, 248488), (89, 231736), (166, 124244), (178, 115868), (332, 62122), (349, 59096), (356, 57934), (664, 31061), (698, 29548), (712, 28967), (1396, 14774), (2792, 7387)]