20378050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:176

約数の個数: 96

約数和(自身を含む): 48568320

約数和(自身を除く): 28190270

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 67, 70, 77, 79, 110, 134, 154, 158, 175, 275, 335, 350, 385, 395, 469, 550, 553, 670, 737, 770, 790, 869, 938, 1106, 1474, 1675, 1738, 1925, 1975, 2345, 2765, 3350, 3685, 3850, 3950, 4345, 4690, 5159, 5293, 5530, 6083, 7370, 8690, 10318, 10586, 11725, 12166, 13825, 18425, 21725, 23450, 25795, 26465, 27650, 30415, 36850, 37051, 43450, 51590, 52930, 58223, 60830, 74102, 116446, 128975, 132325, 152075, 185255, 257950, 264650, 291115, 304150, 370510, 407561, 582230, 815122, 926275, 1455575, 1852550, 2037805, 2911150, 4075610, 10189025, 20378050]

約数ペア:

[(1, 20378050), (2, 10189025), (5, 4075610), (7, 2911150), (10, 2037805), (11, 1852550), (14, 1455575), (22, 926275), (25, 815122), (35, 582230), (50, 407561), (55, 370510), (67, 304150), (70, 291115), (77, 264650), (79, 257950), (110, 185255), (134, 152075), (154, 132325), (158, 128975), (175, 116446), (275, 74102), (335, 60830), (350, 58223), (385, 52930), (395, 51590), (469, 43450), (550, 37051), (553, 36850), (670, 30415), (737, 27650), (770, 26465), (790, 25795), (869, 23450), (938, 21725), (1106, 18425), (1474, 13825), (1675, 12166), (1738, 11725), (1925, 10586), (1975, 10318), (2345, 8690), (2765, 7370), (3350, 6083), (3685, 5530), (3850, 5293), (3950, 5159), (4345, 4690)]