20121852982

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1\times {\mathrm{11261}}^1$

素因数の和:11605

約数の個数: 64

約数和(自身を含む): 38687943168

約数和(自身を除く): 18566090186

約数列:

[1, 2, 7, 11, 14, 22, 41, 77, 82, 154, 283, 287, 451, 566, 574, 902, 1981, 3113, 3157, 3962, 6226, 6314, 11261, 11603, 21791, 22522, 23206, 43582, 78827, 81221, 123871, 127633, 157654, 162442, 247742, 255266, 461701, 867097, 893431, 923402, 1734194, 1786862, 3186863, 3231907, 5078711, 6373726, 6463814, 10157422, 22308041, 35055493, 35550977, 44616082, 70110986, 71101954, 130661383, 245388451, 261322766, 490776902, 914629681, 1437275213, 1829259362, 2874550426, 10060926491, 20121852982]

約数ペア:

[(1, 20121852982), (2, 10060926491), (7, 2874550426), (11, 1829259362), (14, 1437275213), (22, 914629681), (41, 490776902), (77, 261322766), (82, 245388451), (154, 130661383), (283, 71101954), (287, 70110986), (451, 44616082), (566, 35550977), (574, 35055493), (902, 22308041), (1981, 10157422), (3113, 6463814), (3157, 6373726), (3962, 5078711), (6226, 3231907), (6314, 3186863), (11261, 1786862), (11603, 1734194), (21791, 923402), (22522, 893431), (23206, 867097), (43582, 461701), (78827, 255266), (81221, 247742), (123871, 162442), (127633, 157654)]