20345116

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{12497}}^1$

素因数の和:12549

約数の個数: 24

約数和(自身を含む): 39893616

約数和(自身を除く): 19548500

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 12497, 24994, 49988, 137467, 274934, 462389, 549868, 924778, 1849556, 5086279, 10172558, 20345116]

約数ペア:

[(1, 20345116), (2, 10172558), (4, 5086279), (11, 1849556), (22, 924778), (37, 549868), (44, 462389), (74, 274934), (148, 137467), (407, 49988), (814, 24994), (1628, 12497)]