20469176

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{907}}^1$

素因数の和:964

約数の個数: 64

約数和(自身を含む): 48814080

約数和(自身を除く): 28344904

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 91, 104, 124, 182, 217, 248, 364, 403, 434, 728, 806, 868, 907, 1612, 1736, 1814, 2821, 3224, 3628, 5642, 6349, 7256, 11284, 11791, 12698, 22568, 23582, 25396, 28117, 47164, 50792, 56234, 82537, 94328, 112468, 165074, 196819, 224936, 330148, 365521, 393638, 660296, 731042, 787276, 1462084, 1574552, 2558647, 2924168, 5117294, 10234588, 20469176]

約数ペア:

[(1, 20469176), (2, 10234588), (4, 5117294), (7, 2924168), (8, 2558647), (13, 1574552), (14, 1462084), (26, 787276), (28, 731042), (31, 660296), (52, 393638), (56, 365521), (62, 330148), (91, 224936), (104, 196819), (124, 165074), (182, 112468), (217, 94328), (248, 82537), (364, 56234), (403, 50792), (434, 47164), (728, 28117), (806, 25396), (868, 23582), (907, 22568), (1612, 12698), (1736, 11791), (1814, 11284), (2821, 7256), (3224, 6349), (3628, 5642)]