20942532

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{613}}^1$

素因数の和:709

約数の個数: 72

約数和(自身を含む): 57885464

約数和(自身を除く): 36942932

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 73, 78, 117, 146, 156, 219, 234, 292, 438, 468, 613, 657, 876, 949, 1226, 1314, 1839, 1898, 2452, 2628, 2847, 3678, 3796, 5517, 5694, 7356, 7969, 8541, 11034, 11388, 15938, 17082, 22068, 23907, 31876, 34164, 44749, 47814, 71721, 89498, 95628, 134247, 143442, 178996, 268494, 286884, 402741, 536988, 581737, 805482, 1163474, 1610964, 1745211, 2326948, 3490422, 5235633, 6980844, 10471266, 20942532]

約数ペア:

[(1, 20942532), (2, 10471266), (3, 6980844), (4, 5235633), (6, 3490422), (9, 2326948), (12, 1745211), (13, 1610964), (18, 1163474), (26, 805482), (36, 581737), (39, 536988), (52, 402741), (73, 286884), (78, 268494), (117, 178996), (146, 143442), (156, 134247), (219, 95628), (234, 89498), (292, 71721), (438, 47814), (468, 44749), (613, 34164), (657, 31876), (876, 23907), (949, 22068), (1226, 17082), (1314, 15938), (1839, 11388), (1898, 11034), (2452, 8541), (2628, 7969), (2847, 7356), (3678, 5694), (3796, 5517)]