20501664

素因数分解:

$2^5\times 3^1\times {\mathrm{31}}^1\times {\mathrm{83}}^2$

素因数の和:210

約数の個数: 72

約数和(自身を含む): 56230272

約数和(自身を除く): 35728608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 83, 93, 96, 124, 166, 186, 248, 249, 332, 372, 496, 498, 664, 744, 992, 996, 1328, 1488, 1992, 2573, 2656, 2976, 3984, 5146, 6889, 7719, 7968, 10292, 13778, 15438, 20584, 20667, 27556, 30876, 41168, 41334, 55112, 61752, 82336, 82668, 110224, 123504, 165336, 213559, 220448, 247008, 330672, 427118, 640677, 661344, 854236, 1281354, 1708472, 2562708, 3416944, 5125416, 6833888, 10250832, 20501664]

約数ペア:

[(1, 20501664), (2, 10250832), (3, 6833888), (4, 5125416), (6, 3416944), (8, 2562708), (12, 1708472), (16, 1281354), (24, 854236), (31, 661344), (32, 640677), (48, 427118), (62, 330672), (83, 247008), (93, 220448), (96, 213559), (124, 165336), (166, 123504), (186, 110224), (248, 82668), (249, 82336), (332, 61752), (372, 55112), (496, 41334), (498, 41168), (664, 30876), (744, 27556), (992, 20667), (996, 20584), (1328, 15438), (1488, 13778), (1992, 10292), (2573, 7968), (2656, 7719), (2976, 6889), (3984, 5146)]