16511820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21169}}^1$

素因数の和:21194

約数の個数: 48

約数和(自身を含む): 49791840

約数和(自身を除く): 33280020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 21169, 42338, 63507, 84676, 105845, 127014, 211690, 254028, 275197, 317535, 423380, 550394, 635070, 825591, 1100788, 1270140, 1375985, 1651182, 2751970, 3302364, 4127955, 5503940, 8255910, 16511820]

約数ペア:

[(1, 16511820), (2, 8255910), (3, 5503940), (4, 4127955), (5, 3302364), (6, 2751970), (10, 1651182), (12, 1375985), (13, 1270140), (15, 1100788), (20, 825591), (26, 635070), (30, 550394), (39, 423380), (52, 317535), (60, 275197), (65, 254028), (78, 211690), (130, 127014), (156, 105845), (195, 84676), (260, 63507), (390, 42338), (780, 21169)]