20557560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1051}}^1$

素因数の和:1228

約数の個数: 64

約数和(自身を含む): 62110080

約数和(自身を除く): 41552520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163, 326, 489, 652, 815, 978, 1051, 1304, 1630, 1956, 2102, 2445, 3153, 3260, 3912, 4204, 4890, 5255, 6306, 6520, 8408, 9780, 10510, 12612, 15765, 19560, 21020, 25224, 31530, 42040, 63060, 126120, 171313, 342626, 513939, 685252, 856565, 1027878, 1370504, 1713130, 2055756, 2569695, 3426260, 4111512, 5139390, 6852520, 10278780, 20557560]

約数ペア:

[(1, 20557560), (2, 10278780), (3, 6852520), (4, 5139390), (5, 4111512), (6, 3426260), (8, 2569695), (10, 2055756), (12, 1713130), (15, 1370504), (20, 1027878), (24, 856565), (30, 685252), (40, 513939), (60, 342626), (120, 171313), (163, 126120), (326, 63060), (489, 42040), (652, 31530), (815, 25224), (978, 21020), (1051, 19560), (1304, 15765), (1630, 12612), (1956, 10510), (2102, 9780), (2445, 8408), (3153, 6520), (3260, 6306), (3912, 5255), (4204, 4890)]