20718997002

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{31547}}^1$

素因数の和:31704

約数の個数: 96

約数和(自身を含む): 51025987584

約数和(自身を除く): 30306990582

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 31, 33, 62, 66, 93, 99, 107, 186, 198, 214, 279, 321, 341, 558, 642, 682, 963, 1023, 1177, 1926, 2046, 2354, 3069, 3317, 3531, 6138, 6634, 7062, 9951, 10593, 19902, 21186, 29853, 31547, 36487, 59706, 63094, 72974, 94641, 109461, 189282, 218922, 283923, 328383, 347017, 567846, 656766, 694034, 977957, 1041051, 1955914, 2082102, 2933871, 3123153, 3375529, 5867742, 6246306, 6751058, 8801613, 10126587, 10757527, 17603226, 20253174, 21515054, 30379761, 32272581, 37130819, 60759522, 64545162, 74261638, 96817743, 104641399, 111392457, 193635486, 209282798, 222784914, 313924197, 334177371, 627848394, 668354742, 941772591, 1151055389, 1883545182, 2302110778, 3453166167, 6906332334, 10359498501, 20718997002]

約数ペア:

[(1, 20718997002), (2, 10359498501), (3, 6906332334), (6, 3453166167), (9, 2302110778), (11, 1883545182), (18, 1151055389), (22, 941772591), (31, 668354742), (33, 627848394), (62, 334177371), (66, 313924197), (93, 222784914), (99, 209282798), (107, 193635486), (186, 111392457), (198, 104641399), (214, 96817743), (279, 74261638), (321, 64545162), (341, 60759522), (558, 37130819), (642, 32272581), (682, 30379761), (963, 21515054), (1023, 20253174), (1177, 17603226), (1926, 10757527), (2046, 10126587), (2354, 8801613), (3069, 6751058), (3317, 6246306), (3531, 5867742), (6138, 3375529), (6634, 3123153), (7062, 2933871), (9951, 2082102), (10593, 1955914), (19902, 1041051), (21186, 977957), (29853, 694034), (31547, 656766), (36487, 567846), (59706, 347017), (63094, 328383), (72974, 283923), (94641, 218922), (109461, 189282)]