20246670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9781}}^1$

素因数の和:9817

約数の個数: 48

約数和(自身を含む): 54935712

約数和(自身を除く): 34689042

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 9781, 19562, 29343, 48905, 58686, 88029, 97810, 146715, 176058, 224963, 293430, 440145, 449926, 674889, 880290, 1124815, 1349778, 2024667, 2249630, 3374445, 4049334, 6748890, 10123335, 20246670]

約数ペア:

[(1, 20246670), (2, 10123335), (3, 6748890), (5, 4049334), (6, 3374445), (9, 2249630), (10, 2024667), (15, 1349778), (18, 1124815), (23, 880290), (30, 674889), (45, 449926), (46, 440145), (69, 293430), (90, 224963), (115, 176058), (138, 146715), (207, 97810), (230, 88029), (345, 58686), (414, 48905), (690, 29343), (1035, 19562), (2070, 9781)]