20702048

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{509}}^1$

素因数の和:591

約数の個数: 48

約数和(自身を含む): 43182720

約数和(自身を除く): 22480672

約数列:

[1, 2, 4, 8, 16, 31, 32, 41, 62, 82, 124, 164, 248, 328, 496, 509, 656, 992, 1018, 1271, 1312, 2036, 2542, 4072, 5084, 8144, 10168, 15779, 16288, 20336, 20869, 31558, 40672, 41738, 63116, 83476, 126232, 166952, 252464, 333904, 504928, 646939, 667808, 1293878, 2587756, 5175512, 10351024, 20702048]

約数ペア:

[(1, 20702048), (2, 10351024), (4, 5175512), (8, 2587756), (16, 1293878), (31, 667808), (32, 646939), (41, 504928), (62, 333904), (82, 252464), (124, 166952), (164, 126232), (248, 83476), (328, 63116), (496, 41738), (509, 40672), (656, 31558), (992, 20869), (1018, 20336), (1271, 16288), (1312, 15779), (2036, 10168), (2542, 8144), (4072, 5084)]