20179940752

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{433}}^1\times {\mathrm{36871}}^1$

素因数の和:37391

約数の個数: 40

約数和(自身を含む): 39686071040

約数和(自身を除く): 19506130288

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 433, 632, 866, 1264, 1732, 3464, 6928, 34207, 36871, 68414, 73742, 136828, 147484, 273656, 294968, 547312, 589936, 2912809, 5825618, 11651236, 15965143, 23302472, 31930286, 46604944, 63860572, 127721144, 255442288, 1261246297, 2522492594, 5044985188, 10089970376, 20179940752]

約数ペア:

[(1, 20179940752), (2, 10089970376), (4, 5044985188), (8, 2522492594), (16, 1261246297), (79, 255442288), (158, 127721144), (316, 63860572), (433, 46604944), (632, 31930286), (866, 23302472), (1264, 15965143), (1732, 11651236), (3464, 5825618), (6928, 2912809), (34207, 589936), (36871, 547312), (68414, 294968), (73742, 273656), (136828, 147484)]