20157461856

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{9998741}}^1$

素因数の和:9998764

約数の個数: 72

約数和(自身を含む): 65511757584

約数和(自身を除く): 45354295728

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 9998741, 19997482, 29996223, 39994964, 59992446, 69991187, 79989928, 89988669, 119984892, 139982374, 159979856, 179977338, 209973561, 239969784, 279964748, 319959712, 359954676, 419947122, 479939568, 559929496, 629920683, 719909352, 839894244, 959879136, 1119858992, 1259841366, 1439818704, 1679788488, 2239717984, 2519682732, 2879637408, 3359576976, 5039365464, 6719153952, 10078730928, 20157461856]

約数ペア:

[(1, 20157461856), (2, 10078730928), (3, 6719153952), (4, 5039365464), (6, 3359576976), (7, 2879637408), (8, 2519682732), (9, 2239717984), (12, 1679788488), (14, 1439818704), (16, 1259841366), (18, 1119858992), (21, 959879136), (24, 839894244), (28, 719909352), (32, 629920683), (36, 559929496), (42, 479939568), (48, 419947122), (56, 359954676), (63, 319959712), (72, 279964748), (84, 239969784), (96, 209973561), (112, 179977338), (126, 159979856), (144, 139982374), (168, 119984892), (224, 89988669), (252, 79989928), (288, 69991187), (336, 59992446), (504, 39994964), (672, 29996223), (1008, 19997482), (2016, 9998741)]