20738448

素因数分解:

$2^4\times 3^2\times {\mathrm{79}}^1\times {\mathrm{1823}}^1$

素因数の和:1916

約数の個数: 60

約数和(自身を含む): 58805760

約数和(自身を除く): 38067312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 79, 144, 158, 237, 316, 474, 632, 711, 948, 1264, 1422, 1823, 1896, 2844, 3646, 3792, 5469, 5688, 7292, 10938, 11376, 14584, 16407, 21876, 29168, 32814, 43752, 65628, 87504, 131256, 144017, 262512, 288034, 432051, 576068, 864102, 1152136, 1296153, 1728204, 2304272, 2592306, 3456408, 5184612, 6912816, 10369224, 20738448]

約数ペア:

[(1, 20738448), (2, 10369224), (3, 6912816), (4, 5184612), (6, 3456408), (8, 2592306), (9, 2304272), (12, 1728204), (16, 1296153), (18, 1152136), (24, 864102), (36, 576068), (48, 432051), (72, 288034), (79, 262512), (144, 144017), (158, 131256), (237, 87504), (316, 65628), (474, 43752), (632, 32814), (711, 29168), (948, 21876), (1264, 16407), (1422, 14584), (1823, 11376), (1896, 10938), (2844, 7292), (3646, 5688), (3792, 5469)]