16993880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{373}}^1$

素因数の和:468

約数の個数: 64

約数和(自身を含む): 41199840

約数和(自身を除く): 24205960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 67, 68, 85, 134, 136, 170, 268, 335, 340, 373, 536, 670, 680, 746, 1139, 1340, 1492, 1865, 2278, 2680, 2984, 3730, 4556, 5695, 6341, 7460, 9112, 11390, 12682, 14920, 22780, 24991, 25364, 31705, 45560, 49982, 50728, 63410, 99964, 124955, 126820, 199928, 249910, 253640, 424847, 499820, 849694, 999640, 1699388, 2124235, 3398776, 4248470, 8496940, 16993880]

約数ペア:

[(1, 16993880), (2, 8496940), (4, 4248470), (5, 3398776), (8, 2124235), (10, 1699388), (17, 999640), (20, 849694), (34, 499820), (40, 424847), (67, 253640), (68, 249910), (85, 199928), (134, 126820), (136, 124955), (170, 99964), (268, 63410), (335, 50728), (340, 49982), (373, 45560), (536, 31705), (670, 25364), (680, 24991), (746, 22780), (1139, 14920), (1340, 12682), (1492, 11390), (1865, 9112), (2278, 7460), (2680, 6341), (2984, 5695), (3730, 4556)]