20007357530

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{769}}^1$

素因数の和:960

約数の個数: 128

約数和(自身を含む): 40236134400

約数和(自身を除く): 20228776870

約数列:

[1, 2, 5, 10, 23, 31, 41, 46, 62, 82, 89, 115, 155, 178, 205, 230, 310, 410, 445, 713, 769, 890, 943, 1271, 1426, 1538, 1886, 2047, 2542, 2759, 3565, 3649, 3845, 4094, 4715, 5518, 6355, 7130, 7298, 7690, 9430, 10235, 12710, 13795, 17687, 18245, 20470, 23839, 27590, 29233, 31529, 35374, 36490, 47678, 58466, 63058, 63457, 68441, 83927, 88435, 113119, 119195, 126914, 136882, 146165, 157645, 167854, 176870, 226238, 238390, 292330, 315290, 317285, 342205, 419635, 548297, 565595, 634570, 684410, 725167, 839270, 977399, 1096594, 1131190, 1450334, 1574143, 1954798, 2121671, 2601737, 2741485, 2806081, 3148286, 3625835, 4243342, 4886995, 5203474, 5482970, 5612162, 7251670, 7870715, 9773990, 10608355, 13008685, 14030405, 15741430, 21216710, 22480177, 26017370, 28060810, 44960354, 48798433, 64539863, 86988511, 97596866, 112400885, 129079726, 173977022, 224801770, 243992165, 322699315, 434942555, 487984330, 645398630, 869885110, 2000735753, 4001471506, 10003678765, 20007357530]

約数ペア:

[(1, 20007357530), (2, 10003678765), (5, 4001471506), (10, 2000735753), (23, 869885110), (31, 645398630), (41, 487984330), (46, 434942555), (62, 322699315), (82, 243992165), (89, 224801770), (115, 173977022), (155, 129079726), (178, 112400885), (205, 97596866), (230, 86988511), (310, 64539863), (410, 48798433), (445, 44960354), (713, 28060810), (769, 26017370), (890, 22480177), (943, 21216710), (1271, 15741430), (1426, 14030405), (1538, 13008685), (1886, 10608355), (2047, 9773990), (2542, 7870715), (2759, 7251670), (3565, 5612162), (3649, 5482970), (3845, 5203474), (4094, 4886995), (4715, 4243342), (5518, 3625835), (6355, 3148286), (7130, 2806081), (7298, 2741485), (7690, 2601737), (9430, 2121671), (10235, 1954798), (12710, 1574143), (13795, 1450334), (17687, 1131190), (18245, 1096594), (20470, 977399), (23839, 839270), (27590, 725167), (29233, 684410), (31529, 634570), (35374, 565595), (36490, 548297), (47678, 419635), (58466, 342205), (63058, 317285), (63457, 315290), (68441, 292330), (83927, 238390), (88435, 226238), (113119, 176870), (119195, 167854), (126914, 157645), (136882, 146165)]