20120863786

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{720197}}^1$

素因数の和:720489

約数の個数: 16

約数和(自身を含む): 30810070440

約数和(自身を除く): 10689206654

約数列:

[1, 2, 61, 122, 229, 458, 13969, 27938, 720197, 1440394, 43932017, 87864034, 164925113, 329850226, 10060431893, 20120863786]

約数ペア:

[(1, 20120863786), (2, 10060431893), (61, 329850226), (122, 164925113), (229, 87864034), (458, 43932017), (13969, 1440394), (27938, 720197)]