20187318536

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1213}}^1\times {\mathrm{27017}}^1$

素因数の和:28254

約数の個数: 64

約数和(自身を含む): 47231786880

約数和(自身を除く): 27044468344

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 1213, 2426, 4852, 8491, 9704, 13343, 16982, 26686, 27017, 33964, 53372, 54034, 67928, 93401, 106744, 108068, 186802, 189119, 216136, 297187, 373604, 378238, 594374, 747208, 756476, 1188748, 1512952, 2080309, 2377496, 4160618, 8321236, 16642472, 32771621, 65543242, 131086484, 229401347, 262172968, 360487831, 458802694, 720975662, 917605388, 1441951324, 1835210776, 2523414817, 2883902648, 5046829634, 10093659268, 20187318536]

約数ペア:

[(1, 20187318536), (2, 10093659268), (4, 5046829634), (7, 2883902648), (8, 2523414817), (11, 1835210776), (14, 1441951324), (22, 917605388), (28, 720975662), (44, 458802694), (56, 360487831), (77, 262172968), (88, 229401347), (154, 131086484), (308, 65543242), (616, 32771621), (1213, 16642472), (2426, 8321236), (4852, 4160618), (8491, 2377496), (9704, 2080309), (13343, 1512952), (16982, 1188748), (26686, 756476), (27017, 747208), (33964, 594374), (53372, 378238), (54034, 373604), (67928, 297187), (93401, 216136), (106744, 189119), (108068, 186802)]