20217504965

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{991}}^1\times {\mathrm{25343}}^1$

素因数の和:26369

約数の個数: 32

約数和(自身を含む): 28962717696

約数和(自身を除く): 8745212731

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 991, 4955, 6937, 22793, 25343, 34685, 113965, 126715, 159551, 177401, 582889, 797755, 887005, 2914445, 4080223, 20401115, 25114913, 125574565, 175804391, 577642999, 879021955, 2888214995, 4043500993, 20217504965]

約数ペア:

[(1, 20217504965), (5, 4043500993), (7, 2888214995), (23, 879021955), (35, 577642999), (115, 175804391), (161, 125574565), (805, 25114913), (991, 20401115), (4955, 4080223), (6937, 2914445), (22793, 887005), (25343, 797755), (34685, 582889), (113965, 177401), (126715, 159551)]