20203072

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{599}}^1$

素因数の和:659

約数の個数: 56

約数和(自身を含む): 43891200

約数和(自身を除く): 23688128

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 136, 248, 272, 496, 527, 544, 599, 992, 1054, 1088, 1198, 1984, 2108, 2396, 4216, 4792, 8432, 9584, 10183, 16864, 18569, 19168, 20366, 33728, 37138, 38336, 40732, 74276, 81464, 148552, 162928, 297104, 315673, 325856, 594208, 631346, 651712, 1188416, 1262692, 2525384, 5050768, 10101536, 20203072]

約数ペア:

[(1, 20203072), (2, 10101536), (4, 5050768), (8, 2525384), (16, 1262692), (17, 1188416), (31, 651712), (32, 631346), (34, 594208), (62, 325856), (64, 315673), (68, 297104), (124, 162928), (136, 148552), (248, 81464), (272, 74276), (496, 40732), (527, 38336), (544, 37138), (599, 33728), (992, 20366), (1054, 19168), (1088, 18569), (1198, 16864), (1984, 10183), (2108, 9584), (2396, 8432), (4216, 4792)]