20243257780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1\times {\mathrm{3911}}^1$

素因数の和:4249

約数の個数: 96

約数和(自身を含む): 45781666560

約数和(自身を除く): 25538408780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 212, 257, 265, 380, 514, 530, 1007, 1028, 1060, 1285, 2014, 2570, 3911, 4028, 4883, 5035, 5140, 7822, 9766, 10070, 13621, 15644, 19532, 19555, 20140, 24415, 27242, 39110, 48830, 54484, 68105, 74309, 78220, 97660, 136210, 148618, 207283, 258799, 272420, 297236, 371545, 414566, 517598, 743090, 829132, 1005127, 1035196, 1036415, 1293995, 1486180, 2010254, 2072830, 2587990, 3938377, 4020508, 4145660, 5025635, 5175980, 7876754, 10051270, 15753508, 19097413, 19691885, 20102540, 38194826, 39383770, 53271731, 76389652, 78767540, 95487065, 106543462, 190974130, 213086924, 266358655, 381948260, 532717310, 1012162889, 1065434620, 2024325778, 4048651556, 5060814445, 10121628890, 20243257780]

約数ペア:

[(1, 20243257780), (2, 10121628890), (4, 5060814445), (5, 4048651556), (10, 2024325778), (19, 1065434620), (20, 1012162889), (38, 532717310), (53, 381948260), (76, 266358655), (95, 213086924), (106, 190974130), (190, 106543462), (212, 95487065), (257, 78767540), (265, 76389652), (380, 53271731), (514, 39383770), (530, 38194826), (1007, 20102540), (1028, 19691885), (1060, 19097413), (1285, 15753508), (2014, 10051270), (2570, 7876754), (3911, 5175980), (4028, 5025635), (4883, 4145660), (5035, 4020508), (5140, 3938377), (7822, 2587990), (9766, 2072830), (10070, 2010254), (13621, 1486180), (15644, 1293995), (19532, 1036415), (19555, 1035196), (20140, 1005127), (24415, 829132), (27242, 743090), (39110, 517598), (48830, 414566), (54484, 371545), (68105, 297236), (74309, 272420), (78220, 258799), (97660, 207283), (136210, 148618)]