20387129760

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{1573081}}^1$

素因数の和:1573108

約数の個数: 120

約数和(自身を含む): 71949624516

約数和(自身を除く): 51562494756

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 12960, 1573081, 3146162, 4719243, 6292324, 7865405, 9438486, 12584648, 14157729, 15730810, 18876972, 23596215, 25169296, 28315458, 31461620, 37753944, 42473187, 47192430, 50338592, 56630916, 62923240, 70788645, 75507888, 84946374, 94384860, 113261832, 125846480, 127419561, 141577290, 151015776, 169892748, 188769720, 212365935, 226523664, 251692960, 254839122, 283154580, 339785496, 377539440, 424731870, 453047328, 509678244, 566309160, 637097805, 679570992, 755078880, 849463740, 1019356488, 1132618320, 1274195610, 1359141984, 1698927480, 2038712976, 2265236640, 2548391220, 3397854960, 4077425952, 5096782440, 6795709920, 10193564880, 20387129760]

約数ペア:

[(1, 20387129760), (2, 10193564880), (3, 6795709920), (4, 5096782440), (5, 4077425952), (6, 3397854960), (8, 2548391220), (9, 2265236640), (10, 2038712976), (12, 1698927480), (15, 1359141984), (16, 1274195610), (18, 1132618320), (20, 1019356488), (24, 849463740), (27, 755078880), (30, 679570992), (32, 637097805), (36, 566309160), (40, 509678244), (45, 453047328), (48, 424731870), (54, 377539440), (60, 339785496), (72, 283154580), (80, 254839122), (81, 251692960), (90, 226523664), (96, 212365935), (108, 188769720), (120, 169892748), (135, 151015776), (144, 141577290), (160, 127419561), (162, 125846480), (180, 113261832), (216, 94384860), (240, 84946374), (270, 75507888), (288, 70788645), (324, 62923240), (360, 56630916), (405, 50338592), (432, 47192430), (480, 42473187), (540, 37753944), (648, 31461620), (720, 28315458), (810, 25169296), (864, 23596215), (1080, 18876972), (1296, 15730810), (1440, 14157729), (1620, 12584648), (2160, 9438486), (2592, 7865405), (3240, 6292324), (4320, 4719243), (6480, 3146162), (12960, 1573081)]