20986704

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{8573}}^1$

素因数の和:8604

約数の個数: 60

約数和(自身を含む): 62195796

約数和(自身を除く): 41209092

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 136, 144, 153, 204, 272, 306, 408, 612, 816, 1224, 2448, 8573, 17146, 25719, 34292, 51438, 68584, 77157, 102876, 137168, 145741, 154314, 205752, 291482, 308628, 411504, 437223, 582964, 617256, 874446, 1165928, 1234512, 1311669, 1748892, 2331856, 2623338, 3497784, 5246676, 6995568, 10493352, 20986704]

約数ペア:

[(1, 20986704), (2, 10493352), (3, 6995568), (4, 5246676), (6, 3497784), (8, 2623338), (9, 2331856), (12, 1748892), (16, 1311669), (17, 1234512), (18, 1165928), (24, 874446), (34, 617256), (36, 582964), (48, 437223), (51, 411504), (68, 308628), (72, 291482), (102, 205752), (136, 154314), (144, 145741), (153, 137168), (204, 102876), (272, 77157), (306, 68584), (408, 51438), (612, 34292), (816, 25719), (1224, 17146), (2448, 8573)]