20389968165

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1663}}^1\times {\mathrm{5077}}^1$

素因数の和:6778

約数の個数: 64

約数和(自身を含む): 38936641536

約数和(自身を除く): 18546673371

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 1663, 2415, 4989, 5077, 8315, 11641, 15231, 24945, 25385, 34923, 35539, 38249, 58205, 76155, 106617, 114747, 116771, 174615, 177695, 191245, 267743, 350313, 533085, 573735, 583855, 803229, 817397, 1338715, 1751565, 2452191, 4016145, 4086985, 8443051, 12260955, 25329153, 42215255, 59101357, 126645765, 177304071, 194190173, 295506785, 582570519, 886520355, 970950865, 1359331211, 2912852595, 4077993633, 6796656055, 20389968165]

約数ペア:

[(1, 20389968165), (3, 6796656055), (5, 4077993633), (7, 2912852595), (15, 1359331211), (21, 970950865), (23, 886520355), (35, 582570519), (69, 295506785), (105, 194190173), (115, 177304071), (161, 126645765), (345, 59101357), (483, 42215255), (805, 25329153), (1663, 12260955), (2415, 8443051), (4989, 4086985), (5077, 4016145), (8315, 2452191), (11641, 1751565), (15231, 1338715), (24945, 817397), (25385, 803229), (34923, 583855), (35539, 573735), (38249, 533085), (58205, 350313), (76155, 267743), (106617, 191245), (114747, 177695), (116771, 174615)]