20984366

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 35060256

約数和(自身を除く): 14075890

約数列:

[1, 2, 13, 26, 61, 101, 122, 131, 202, 262, 793, 1313, 1586, 1703, 2626, 3406, 6161, 7991, 12322, 13231, 15982, 26462, 80093, 103883, 160186, 172003, 207766, 344006, 807091, 1614182, 10492183, 20984366]

約数ペア:

[(1, 20984366), (2, 10492183), (13, 1614182), (26, 807091), (61, 344006), (101, 207766), (122, 172003), (131, 160186), (202, 103883), (262, 80093), (793, 26462), (1313, 15982), (1586, 13231), (1703, 12322), (2626, 7991), (3406, 6161)]