20803731760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3469}}^1\times {\mathrm{10709}}^1$

素因数の和:14198

約数の個数: 80

約数和(自身を含む): 55299585600

約数和(自身を除く): 34495853840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3469, 6938, 10709, 13876, 17345, 21418, 24283, 27752, 34690, 42836, 48566, 53545, 55504, 69380, 74963, 85672, 97132, 107090, 121415, 138760, 149926, 171344, 194264, 214180, 242830, 277520, 299852, 374815, 388528, 428360, 485660, 599704, 749630, 856720, 971320, 1199408, 1499260, 1942640, 2998520, 5997040, 37149521, 74299042, 148598084, 185747605, 260046647, 297196168, 371495210, 520093294, 594392336, 742990420, 1040186588, 1300233235, 1485980840, 2080373176, 2600466470, 2971961680, 4160746352, 5200932940, 10401865880, 20803731760]

約数ペア:

[(1, 20803731760), (2, 10401865880), (4, 5200932940), (5, 4160746352), (7, 2971961680), (8, 2600466470), (10, 2080373176), (14, 1485980840), (16, 1300233235), (20, 1040186588), (28, 742990420), (35, 594392336), (40, 520093294), (56, 371495210), (70, 297196168), (80, 260046647), (112, 185747605), (140, 148598084), (280, 74299042), (560, 37149521), (3469, 5997040), (6938, 2998520), (10709, 1942640), (13876, 1499260), (17345, 1199408), (21418, 971320), (24283, 856720), (27752, 749630), (34690, 599704), (42836, 485660), (48566, 428360), (53545, 388528), (55504, 374815), (69380, 299852), (74963, 277520), (85672, 242830), (97132, 214180), (107090, 194264), (121415, 171344), (138760, 149926)]