20936786

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:426

約数の個数: 32

約数和(自身を含む): 35289408

約数和(自身を除く): 14352622

約数列:

[1, 2, 13, 26, 43, 61, 86, 122, 307, 559, 614, 793, 1118, 1586, 2623, 3991, 5246, 7982, 13201, 18727, 26402, 34099, 37454, 68198, 171613, 243451, 343226, 486902, 805261, 1610522, 10468393, 20936786]

約数ペア:

[(1, 20936786), (2, 10468393), (13, 1610522), (26, 805261), (43, 486902), (61, 343226), (86, 243451), (122, 171613), (307, 68198), (559, 37454), (614, 34099), (793, 26402), (1118, 18727), (1586, 13201), (2623, 7982), (3991, 5246)]