20748052

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 41219584

約数和(自身を除く): 20471532

約数列:

[1, 2, 4, 13, 26, 31, 52, 61, 62, 122, 124, 211, 244, 403, 422, 793, 806, 844, 1586, 1612, 1891, 2743, 3172, 3782, 5486, 6541, 7564, 10972, 12871, 13082, 24583, 25742, 26164, 49166, 51484, 85033, 98332, 167323, 170066, 334646, 340132, 399001, 669292, 798002, 1596004, 5187013, 10374026, 20748052]

約数ペア:

[(1, 20748052), (2, 10374026), (4, 5187013), (13, 1596004), (26, 798002), (31, 669292), (52, 399001), (61, 340132), (62, 334646), (122, 170066), (124, 167323), (211, 98332), (244, 85033), (403, 51484), (422, 49166), (793, 26164), (806, 25742), (844, 24583), (1586, 13082), (1612, 12871), (1891, 10972), (2743, 7564), (3172, 6541), (3782, 5486)]