2020804970

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{68993}}^1$

素因数の和:69130

約数の個数: 32

約数和(自身を含む): 3800189520

約数和(自身を除く): 1779384550

約数列:

[1, 2, 5, 10, 29, 58, 101, 145, 202, 290, 505, 1010, 2929, 5858, 14645, 29290, 68993, 137986, 344965, 689930, 2000797, 4001594, 6968293, 10003985, 13936586, 20007970, 34841465, 69682930, 202080497, 404160994, 1010402485, 2020804970]

約数ペア:

[(1, 2020804970), (2, 1010402485), (5, 404160994), (10, 202080497), (29, 69682930), (58, 34841465), (101, 20007970), (145, 13936586), (202, 10003985), (290, 6968293), (505, 4001594), (1010, 2000797), (2929, 689930), (5858, 344965), (14645, 137986), (29290, 68993)]