20454544

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:236

約数の個数: 80

約数和(自身を含む): 46854144

約数和(自身を除く): 26399600

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 31, 44, 46, 62, 88, 92, 124, 163, 176, 184, 248, 253, 326, 341, 368, 496, 506, 652, 682, 713, 1012, 1304, 1364, 1426, 1793, 2024, 2608, 2728, 2852, 3586, 3749, 4048, 5053, 5456, 5704, 7172, 7498, 7843, 10106, 11408, 14344, 14996, 15686, 20212, 28688, 29992, 31372, 40424, 41239, 55583, 59984, 62744, 80848, 82478, 111166, 116219, 125488, 164956, 222332, 232438, 329912, 444664, 464876, 659824, 889328, 929752, 1278409, 1859504, 2556818, 5113636, 10227272, 20454544]

約数ペア:

[(1, 20454544), (2, 10227272), (4, 5113636), (8, 2556818), (11, 1859504), (16, 1278409), (22, 929752), (23, 889328), (31, 659824), (44, 464876), (46, 444664), (62, 329912), (88, 232438), (92, 222332), (124, 164956), (163, 125488), (176, 116219), (184, 111166), (248, 82478), (253, 80848), (326, 62744), (341, 59984), (368, 55583), (496, 41239), (506, 40424), (652, 31372), (682, 29992), (713, 28688), (1012, 20212), (1304, 15686), (1364, 14996), (1426, 14344), (1793, 11408), (2024, 10106), (2608, 7843), (2728, 7498), (2852, 7172), (3586, 5704), (3749, 5456), (4048, 5053)]