20147237744

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1279}}^1\times {\mathrm{1997}}^1$

素因数の和:3330

約数の個数: 80

約数和(自身を含む): 42811545600

約数和(自身を除く): 22664307856

約数列:

[1, 2, 4, 8, 16, 17, 29, 34, 58, 68, 116, 136, 232, 272, 464, 493, 986, 1279, 1972, 1997, 2558, 3944, 3994, 5116, 7888, 7988, 10232, 15976, 20464, 21743, 31952, 33949, 37091, 43486, 57913, 67898, 74182, 86972, 115826, 135796, 148364, 173944, 231652, 271592, 296728, 347888, 463304, 543184, 593456, 630547, 926608, 984521, 1261094, 1969042, 2522188, 2554163, 3938084, 5044376, 5108326, 7876168, 10088752, 10216652, 15752336, 20433304, 40866608, 43420771, 74070727, 86841542, 148141454, 173683084, 296282908, 347366168, 592565816, 694732336, 1185131632, 1259202359, 2518404718, 5036809436, 10073618872, 20147237744]

約数ペア:

[(1, 20147237744), (2, 10073618872), (4, 5036809436), (8, 2518404718), (16, 1259202359), (17, 1185131632), (29, 694732336), (34, 592565816), (58, 347366168), (68, 296282908), (116, 173683084), (136, 148141454), (232, 86841542), (272, 74070727), (464, 43420771), (493, 40866608), (986, 20433304), (1279, 15752336), (1972, 10216652), (1997, 10088752), (2558, 7876168), (3944, 5108326), (3994, 5044376), (5116, 3938084), (7888, 2554163), (7988, 2522188), (10232, 1969042), (15976, 1261094), (20464, 984521), (21743, 926608), (31952, 630547), (33949, 593456), (37091, 543184), (43486, 463304), (57913, 347888), (67898, 296728), (74182, 271592), (86972, 231652), (115826, 173944), (135796, 148364)]