20731957584

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1319}}^1\times {\mathrm{25189}}^1$

素因数の和:26532

約数の個数: 80

約数和(自身を含む): 57723388800

約数和(自身を除く): 36991431216

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 1319, 2638, 3957, 5276, 7914, 10552, 15828, 17147, 21104, 25189, 31656, 34294, 50378, 51441, 63312, 68588, 75567, 100756, 102882, 137176, 151134, 201512, 205764, 274352, 302268, 327457, 403024, 411528, 604536, 654914, 823056, 982371, 1209072, 1309828, 1964742, 2619656, 3929484, 5239312, 7858968, 15717936, 33224291, 66448582, 99672873, 132897164, 199345746, 265794328, 398691492, 431915783, 531588656, 797382984, 863831566, 1295747349, 1594765968, 1727663132, 2591494698, 3455326264, 5182989396, 6910652528, 10365978792, 20731957584]

約数ペア:

[(1, 20731957584), (2, 10365978792), (3, 6910652528), (4, 5182989396), (6, 3455326264), (8, 2591494698), (12, 1727663132), (13, 1594765968), (16, 1295747349), (24, 863831566), (26, 797382984), (39, 531588656), (48, 431915783), (52, 398691492), (78, 265794328), (104, 199345746), (156, 132897164), (208, 99672873), (312, 66448582), (624, 33224291), (1319, 15717936), (2638, 7858968), (3957, 5239312), (5276, 3929484), (7914, 2619656), (10552, 1964742), (15828, 1309828), (17147, 1209072), (21104, 982371), (25189, 823056), (31656, 654914), (34294, 604536), (50378, 411528), (51441, 403024), (63312, 327457), (68588, 302268), (75567, 274352), (100756, 205764), (102882, 201512), (137176, 151134)]