20123687940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{631}}^1\times {\mathrm{2671}}^1$

素因数の和:3513

約数の個数: 96

約数和(自身を含む): 56740454400

約数和(自身を除く): 36616766460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 199, 398, 597, 631, 796, 995, 1194, 1262, 1893, 1990, 2388, 2524, 2671, 2985, 3155, 3786, 3980, 5342, 5970, 6310, 7572, 8013, 9465, 10684, 11940, 12620, 13355, 16026, 18930, 26710, 32052, 37860, 40065, 53420, 80130, 125569, 160260, 251138, 376707, 502276, 531529, 627845, 753414, 1063058, 1255690, 1506828, 1594587, 1685401, 1883535, 2126116, 2511380, 2657645, 3189174, 3370802, 3767070, 5056203, 5315290, 6378348, 6741604, 7534140, 7972935, 8427005, 10112406, 10630580, 15945870, 16854010, 20224812, 25281015, 31891740, 33708020, 50562030, 101124060, 335394799, 670789598, 1006184397, 1341579196, 1676973995, 2012368794, 3353947990, 4024737588, 5030921985, 6707895980, 10061843970, 20123687940]

約数ペア:

[(1, 20123687940), (2, 10061843970), (3, 6707895980), (4, 5030921985), (5, 4024737588), (6, 3353947990), (10, 2012368794), (12, 1676973995), (15, 1341579196), (20, 1006184397), (30, 670789598), (60, 335394799), (199, 101124060), (398, 50562030), (597, 33708020), (631, 31891740), (796, 25281015), (995, 20224812), (1194, 16854010), (1262, 15945870), (1893, 10630580), (1990, 10112406), (2388, 8427005), (2524, 7972935), (2671, 7534140), (2985, 6741604), (3155, 6378348), (3786, 5315290), (3980, 5056203), (5342, 3767070), (5970, 3370802), (6310, 3189174), (7572, 2657645), (8013, 2511380), (9465, 2126116), (10684, 1883535), (11940, 1685401), (12620, 1594587), (13355, 1506828), (16026, 1255690), (18930, 1063058), (26710, 753414), (32052, 627845), (37860, 531529), (40065, 502276), (53420, 376707), (80130, 251138), (125569, 160260)]