20380344

素因数分解:

$2^3\times 3^1\times {\mathrm{61}}^1\times {\mathrm{13921}}^1$

素因数の和:13991

約数の個数: 32

約数和(自身を含む): 51789840

約数和(自身を除く): 31409496

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 61, 122, 183, 244, 366, 488, 732, 1464, 13921, 27842, 41763, 55684, 83526, 111368, 167052, 334104, 849181, 1698362, 2547543, 3396724, 5095086, 6793448, 10190172, 20380344]

約数ペア:

[(1, 20380344), (2, 10190172), (3, 6793448), (4, 5095086), (6, 3396724), (8, 2547543), (12, 1698362), (24, 849181), (61, 334104), (122, 167052), (183, 111368), (244, 83526), (366, 55684), (488, 41763), (732, 27842), (1464, 13921)]