20348540368

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3155791}}^1$

素因数の和:3155843

約数の個数: 40

約数和(自身を含む): 43827639296

約数和(自身を除く): 23479098928

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 3155791, 6311582, 12623164, 25246328, 41025283, 50492656, 82050566, 97829521, 164101132, 195659042, 328202264, 391318084, 656404528, 782636168, 1271783773, 1565272336, 2543567546, 5087135092, 10174270184, 20348540368]

約数ペア:

[(1, 20348540368), (2, 10174270184), (4, 5087135092), (8, 2543567546), (13, 1565272336), (16, 1271783773), (26, 782636168), (31, 656404528), (52, 391318084), (62, 328202264), (104, 195659042), (124, 164101132), (208, 97829521), (248, 82050566), (403, 50492656), (496, 41025283), (806, 25246328), (1612, 12623164), (3224, 6311582), (6448, 3155791)]