20318996950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{797}}^1\times {\mathrm{3167}}^1$

素因数の和:4006

約数の個数: 96

約数和(自身を含む): 45141110784

約数和(自身を除く): 24822113834

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 46, 50, 70, 115, 161, 175, 230, 322, 350, 575, 797, 805, 1150, 1594, 1610, 3167, 3985, 4025, 5579, 6334, 7970, 8050, 11158, 15835, 18331, 19925, 22169, 27895, 31670, 36662, 39850, 44338, 55790, 72841, 79175, 91655, 110845, 128317, 139475, 145682, 158350, 183310, 221690, 256634, 278950, 364205, 458275, 509887, 554225, 641585, 728410, 916550, 1019774, 1108450, 1283170, 1821025, 2524099, 2549435, 3207925, 3642050, 5048198, 5098870, 6415850, 12620495, 12747175, 17668693, 25240990, 25494350, 35337386, 58054277, 63102475, 88343465, 116108554, 126204950, 176686930, 290271385, 406379939, 441717325, 580542770, 812759878, 883434650, 1451356925, 2031899695, 2902713850, 4063799390, 10159498475, 20318996950]

約数ペア:

[(1, 20318996950), (2, 10159498475), (5, 4063799390), (7, 2902713850), (10, 2031899695), (14, 1451356925), (23, 883434650), (25, 812759878), (35, 580542770), (46, 441717325), (50, 406379939), (70, 290271385), (115, 176686930), (161, 126204950), (175, 116108554), (230, 88343465), (322, 63102475), (350, 58054277), (575, 35337386), (797, 25494350), (805, 25240990), (1150, 17668693), (1594, 12747175), (1610, 12620495), (3167, 6415850), (3985, 5098870), (4025, 5048198), (5579, 3642050), (6334, 3207925), (7970, 2549435), (8050, 2524099), (11158, 1821025), (15835, 1283170), (18331, 1108450), (19925, 1019774), (22169, 916550), (27895, 728410), (31670, 641585), (36662, 554225), (39850, 509887), (44338, 458275), (55790, 364205), (72841, 278950), (79175, 256634), (91655, 221690), (110845, 183310), (128317, 158350), (139475, 145682)]