20122493860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{3037}}^1\times {\mathrm{6761}}^1$

素因数の和:9821

約数の個数: 72

約数和(自身を含む): 49179836664

約数和(自身を除く): 29057342804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 3037, 6074, 6761, 12148, 13522, 15185, 21259, 27044, 30370, 33805, 42518, 47327, 60740, 67610, 85036, 94654, 106295, 135220, 148813, 189308, 212590, 236635, 297626, 331289, 425180, 473270, 595252, 662578, 744065, 946540, 1325156, 1488130, 1656445, 2976260, 3312890, 6625780, 20533157, 41066314, 82132628, 102665785, 143732099, 205331570, 287464198, 410663140, 574928396, 718660495, 1006124693, 1437320990, 2012249386, 2874641980, 4024498772, 5030623465, 10061246930, 20122493860]

約数ペア:

[(1, 20122493860), (2, 10061246930), (4, 5030623465), (5, 4024498772), (7, 2874641980), (10, 2012249386), (14, 1437320990), (20, 1006124693), (28, 718660495), (35, 574928396), (49, 410663140), (70, 287464198), (98, 205331570), (140, 143732099), (196, 102665785), (245, 82132628), (490, 41066314), (980, 20533157), (3037, 6625780), (6074, 3312890), (6761, 2976260), (12148, 1656445), (13522, 1488130), (15185, 1325156), (21259, 946540), (27044, 744065), (30370, 662578), (33805, 595252), (42518, 473270), (47327, 425180), (60740, 331289), (67610, 297626), (85036, 236635), (94654, 212590), (106295, 189308), (135220, 148813)]