20447838

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3517}}^1$

素因数の和:3561

約数の個数: 48

約数和(自身を含む): 49392720

約数和(自身を除く): 28944882

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 34, 38, 51, 57, 102, 114, 153, 171, 306, 323, 342, 646, 969, 1938, 2907, 3517, 5814, 7034, 10551, 21102, 31653, 59789, 63306, 66823, 119578, 133646, 179367, 200469, 358734, 400938, 538101, 601407, 1076202, 1135991, 1202814, 2271982, 3407973, 6815946, 10223919, 20447838]

約数ペア:

[(1, 20447838), (2, 10223919), (3, 6815946), (6, 3407973), (9, 2271982), (17, 1202814), (18, 1135991), (19, 1076202), (34, 601407), (38, 538101), (51, 400938), (57, 358734), (102, 200469), (114, 179367), (153, 133646), (171, 119578), (306, 66823), (323, 63306), (342, 59789), (646, 31653), (969, 21102), (1938, 10551), (2907, 7034), (3517, 5814)]