20548558320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2761903}}^1$

素因数の和:2761950

約数の個数: 80

約数和(自身を含む): 65755410432

約数和(自身を除く): 45206852112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 2761903, 5523806, 8285709, 11047612, 13809515, 16571418, 22095224, 27619030, 33142836, 41428545, 44190448, 55238060, 66285672, 82857090, 85618993, 110476120, 132571344, 165714180, 171237986, 220952240, 256856979, 331428360, 342475972, 428094965, 513713958, 662856720, 684951944, 856189930, 1027427916, 1284284895, 1369903888, 1712379860, 2054855832, 2568569790, 3424759720, 4109711664, 5137139580, 6849519440, 10274279160, 20548558320]

約数ペア:

[(1, 20548558320), (2, 10274279160), (3, 6849519440), (4, 5137139580), (5, 4109711664), (6, 3424759720), (8, 2568569790), (10, 2054855832), (12, 1712379860), (15, 1369903888), (16, 1284284895), (20, 1027427916), (24, 856189930), (30, 684951944), (31, 662856720), (40, 513713958), (48, 428094965), (60, 342475972), (62, 331428360), (80, 256856979), (93, 220952240), (120, 171237986), (124, 165714180), (155, 132571344), (186, 110476120), (240, 85618993), (248, 82857090), (310, 66285672), (372, 55238060), (465, 44190448), (496, 41428545), (620, 33142836), (744, 27619030), (930, 22095224), (1240, 16571418), (1488, 13809515), (1860, 11047612), (2480, 8285709), (3720, 5523806), (7440, 2761903)]