20778826230

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{617}}^1\times {\mathrm{977}}^1$

素因数の和:1990

約数の個数: 96

約数和(自身を含む): 54309325824

約数和(自身を除く): 33530499594

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 383, 617, 766, 977, 1149, 1234, 1851, 1915, 1954, 2298, 2931, 3085, 3447, 3702, 3830, 4885, 5553, 5745, 5862, 6170, 6894, 8793, 9255, 9770, 11106, 11490, 14655, 17235, 17586, 18510, 27765, 29310, 34470, 43965, 55530, 87930, 236311, 374191, 472622, 602809, 708933, 748382, 1122573, 1181555, 1205618, 1417866, 1808427, 1870955, 2126799, 2245146, 2363110, 3014045, 3367719, 3544665, 3616854, 3741910, 4253598, 5425281, 5612865, 6028090, 6735438, 7089330, 9042135, 10633995, 10850562, 11225730, 16838595, 18084270, 21267990, 27126405, 33677190, 54252810, 230875847, 461751694, 692627541, 1154379235, 1385255082, 2077882623, 2308758470, 3463137705, 4155765246, 6926275410, 10389413115, 20778826230]

約数ペア:

[(1, 20778826230), (2, 10389413115), (3, 6926275410), (5, 4155765246), (6, 3463137705), (9, 2308758470), (10, 2077882623), (15, 1385255082), (18, 1154379235), (30, 692627541), (45, 461751694), (90, 230875847), (383, 54252810), (617, 33677190), (766, 27126405), (977, 21267990), (1149, 18084270), (1234, 16838595), (1851, 11225730), (1915, 10850562), (1954, 10633995), (2298, 9042135), (2931, 7089330), (3085, 6735438), (3447, 6028090), (3702, 5612865), (3830, 5425281), (4885, 4253598), (5553, 3741910), (5745, 3616854), (5862, 3544665), (6170, 3367719), (6894, 3014045), (8793, 2363110), (9255, 2245146), (9770, 2126799), (11106, 1870955), (11490, 1808427), (14655, 1417866), (17235, 1205618), (17586, 1181555), (18510, 1122573), (27765, 748382), (29310, 708933), (34470, 602809), (43965, 472622), (55530, 374191), (87930, 236311)]