20996821320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{32687}}^1$

素因数の和:32855

約数の個数: 128

約数和(自身を含む): 64816381440

約数和(自身を除く): 43819560120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 101, 106, 120, 159, 202, 212, 265, 303, 318, 404, 424, 505, 530, 606, 636, 795, 808, 1010, 1060, 1212, 1272, 1515, 1590, 2020, 2120, 2424, 3030, 3180, 4040, 5353, 6060, 6360, 10706, 12120, 16059, 21412, 26765, 32118, 32687, 42824, 53530, 64236, 65374, 80295, 98061, 107060, 128472, 130748, 160590, 163435, 196122, 214120, 261496, 321180, 326870, 392244, 490305, 642360, 653740, 784488, 980610, 1307480, 1732411, 1961220, 3301387, 3464822, 3922440, 5197233, 6602774, 6929644, 8662055, 9904161, 10394466, 13205548, 13859288, 16506935, 17324110, 19808322, 20788932, 25986165, 26411096, 33013870, 34648220, 39616644, 41577864, 49520805, 51972330, 66027740, 69296440, 79233288, 99041610, 103944660, 132055480, 174973511, 198083220, 207889320, 349947022, 396166440, 524920533, 699894044, 874867555, 1049841066, 1399788088, 1749735110, 2099682132, 2624602665, 3499470220, 4199364264, 5249205330, 6998940440, 10498410660, 20996821320]

約数ペア:

[(1, 20996821320), (2, 10498410660), (3, 6998940440), (4, 5249205330), (5, 4199364264), (6, 3499470220), (8, 2624602665), (10, 2099682132), (12, 1749735110), (15, 1399788088), (20, 1049841066), (24, 874867555), (30, 699894044), (40, 524920533), (53, 396166440), (60, 349947022), (101, 207889320), (106, 198083220), (120, 174973511), (159, 132055480), (202, 103944660), (212, 99041610), (265, 79233288), (303, 69296440), (318, 66027740), (404, 51972330), (424, 49520805), (505, 41577864), (530, 39616644), (606, 34648220), (636, 33013870), (795, 26411096), (808, 25986165), (1010, 20788932), (1060, 19808322), (1212, 17324110), (1272, 16506935), (1515, 13859288), (1590, 13205548), (2020, 10394466), (2120, 9904161), (2424, 8662055), (3030, 6929644), (3180, 6602774), (4040, 5197233), (5353, 3922440), (6060, 3464822), (6360, 3301387), (10706, 1961220), (12120, 1732411), (16059, 1307480), (21412, 980610), (26765, 784488), (32118, 653740), (32687, 642360), (42824, 490305), (53530, 392244), (64236, 326870), (65374, 321180), (80295, 261496), (98061, 214120), (107060, 196122), (128472, 163435), (130748, 160590)]