16706820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21419}}^1$

素因数の和:21444

約数の個数: 48

約数和(自身を含む): 50379840

約数和(自身を除く): 33673020

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, 21419, 42838, 64257, 85676, 107095, 128514, 214190, 257028, 278447, 321285, 428380, 556894, 642570, 835341, 1113788, 1285140, 1392235, 1670682, 2784470, 3341364, 4176705, 5568940, 8353410, 16706820]

約数ペア:

[(1, 16706820), (2, 8353410), (3, 5568940), (4, 4176705), (5, 3341364), (6, 2784470), (10, 1670682), (12, 1392235), (13, 1285140), (15, 1113788), (20, 835341), (26, 642570), (30, 556894), (39, 428380), (52, 321285), (60, 278447), (65, 257028), (78, 214190), (130, 128514), (156, 107095), (195, 85676), (260, 64257), (390, 42838), (780, 21419)]