20006240

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6581}}^1$

素因数の和:6615

約数の個数: 48

約数和(自身を含む): 49759920

約数和(自身を除く): 29753680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 6581, 13162, 26324, 32905, 52648, 65810, 105296, 125039, 131620, 210592, 250078, 263240, 500156, 526480, 625195, 1000312, 1052960, 1250390, 2000624, 2500780, 4001248, 5001560, 10003120, 20006240]

約数ペア:

[(1, 20006240), (2, 10003120), (4, 5001560), (5, 4001248), (8, 2500780), (10, 2000624), (16, 1250390), (19, 1052960), (20, 1000312), (32, 625195), (38, 526480), (40, 500156), (76, 263240), (80, 250078), (95, 210592), (152, 131620), (160, 125039), (190, 105296), (304, 65810), (380, 52648), (608, 32905), (760, 26324), (1520, 13162), (3040, 6581)]