20615705970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{1399}}^1\times {\mathrm{491201}}^1$

素因数の和:492610

約数の個数: 32

約数和(自身を含む): 49513161600

約数和(自身を除く): 28897455630

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 1399, 2798, 4197, 6995, 8394, 13990, 20985, 41970, 491201, 982402, 1473603, 2456005, 2947206, 4912010, 7368015, 14736030, 687190199, 1374380398, 2061570597, 3435950995, 4123141194, 6871901990, 10307852985, 20615705970]

約数ペア:

[(1, 20615705970), (2, 10307852985), (3, 6871901990), (5, 4123141194), (6, 3435950995), (10, 2061570597), (15, 1374380398), (30, 687190199), (1399, 14736030), (2798, 7368015), (4197, 4912010), (6995, 2947206), (8394, 2456005), (13990, 1473603), (20985, 982402), (41970, 491201)]