20565763565

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1\times {\mathrm{4513}}^1$

素因数の和:4869

約数の個数: 32

約数和(自身を含む): 25577696256

約数和(自身を除く): 5011932691

約数列:

[1, 5, 61, 67, 223, 305, 335, 1115, 4087, 4513, 13603, 14941, 20435, 22565, 68015, 74705, 275293, 302371, 911401, 1006399, 1376465, 1511855, 4557005, 5031995, 18444631, 61390339, 67428733, 92223155, 306951695, 337143665, 4113152713, 20565763565]

約数ペア:

[(1, 20565763565), (5, 4113152713), (61, 337143665), (67, 306951695), (223, 92223155), (305, 67428733), (335, 61390339), (1115, 18444631), (4087, 5031995), (4513, 4557005), (13603, 1511855), (14941, 1376465), (20435, 1006399), (22565, 911401), (68015, 302371), (74705, 275293)]