20763780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{863}}^1$

素因数の和:1276

約数の個数: 48

約数和(自身を含む): 58351104

約数和(自身を除く): 37587324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 401, 802, 863, 1203, 1604, 1726, 2005, 2406, 2589, 3452, 4010, 4315, 4812, 5178, 6015, 8020, 8630, 10356, 12030, 12945, 17260, 24060, 25890, 51780, 346063, 692126, 1038189, 1384252, 1730315, 2076378, 3460630, 4152756, 5190945, 6921260, 10381890, 20763780]

約数ペア:

[(1, 20763780), (2, 10381890), (3, 6921260), (4, 5190945), (5, 4152756), (6, 3460630), (10, 2076378), (12, 1730315), (15, 1384252), (20, 1038189), (30, 692126), (60, 346063), (401, 51780), (802, 25890), (863, 24060), (1203, 17260), (1604, 12945), (1726, 12030), (2005, 10356), (2406, 8630), (2589, 8020), (3452, 6015), (4010, 5178), (4315, 4812)]