20798907812

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1\times {\mathrm{1123}}^1$

素因数の和:1740

約数の個数: 48

約数和(自身を含む): 37201792320

約数和(自身を除く): 16402884508

約数列:

[1, 2, 4, 107, 109, 214, 218, 397, 428, 436, 794, 1123, 1588, 2246, 4492, 11663, 23326, 42479, 43273, 46652, 84958, 86546, 120161, 122407, 169916, 173092, 240322, 244814, 445831, 480644, 489628, 891662, 1783324, 4630211, 9260422, 13097549, 18520844, 26195098, 47703917, 48595579, 52390196, 95407834, 97191158, 190815668, 194382316, 5199726953, 10399453906, 20798907812]

約数ペア:

[(1, 20798907812), (2, 10399453906), (4, 5199726953), (107, 194382316), (109, 190815668), (214, 97191158), (218, 95407834), (397, 52390196), (428, 48595579), (436, 47703917), (794, 26195098), (1123, 18520844), (1588, 13097549), (2246, 9260422), (4492, 4630211), (11663, 1783324), (23326, 891662), (42479, 489628), (43273, 480644), (46652, 445831), (84958, 244814), (86546, 240322), (120161, 173092), (122407, 169916)]