20293072870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1069}}^1\times {\mathrm{1951}}^1$

素因数の和:3173

約数の個数: 64

約数和(自身を含む): 42106982400

約数和(自身を除く): 21813909530

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1069, 1390, 1946, 1951, 2138, 3902, 4865, 5345, 7483, 9730, 9755, 10690, 13657, 14966, 19510, 27314, 37415, 68285, 74830, 136570, 148591, 271189, 297182, 542378, 742955, 1040137, 1355945, 1485910, 1898323, 2080274, 2085619, 2711890, 3796646, 4171238, 5200685, 9491615, 10401370, 10428095, 14599333, 18983230, 20856190, 29198666, 72996665, 145993330, 289901041, 579802082, 1449505205, 2029307287, 2899010410, 4058614574, 10146536435, 20293072870]

約数ペア:

[(1, 20293072870), (2, 10146536435), (5, 4058614574), (7, 2899010410), (10, 2029307287), (14, 1449505205), (35, 579802082), (70, 289901041), (139, 145993330), (278, 72996665), (695, 29198666), (973, 20856190), (1069, 18983230), (1390, 14599333), (1946, 10428095), (1951, 10401370), (2138, 9491615), (3902, 5200685), (4865, 4171238), (5345, 3796646), (7483, 2711890), (9730, 2085619), (9755, 2080274), (10690, 1898323), (13657, 1485910), (14966, 1355945), (19510, 1040137), (27314, 742955), (37415, 542378), (68285, 297182), (74830, 271189), (136570, 148591)]