20295615

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{541}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 33872832

約数和(自身を除く): 13577217

約数列:

[1, 3, 5, 15, 41, 61, 123, 183, 205, 305, 541, 615, 915, 1623, 2501, 2705, 7503, 8115, 12505, 22181, 33001, 37515, 66543, 99003, 110905, 165005, 332715, 495015, 1353041, 4059123, 6765205, 20295615]

約数ペア:

[(1, 20295615), (3, 6765205), (5, 4059123), (15, 1353041), (41, 495015), (61, 332715), (123, 165005), (183, 110905), (205, 99003), (305, 66543), (541, 37515), (615, 33001), (915, 22181), (1623, 12505), (2501, 8115), (2705, 7503)]