20652944

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3203}}^1$

素因数の和:3255

約数の個数: 40

約数和(自身を含む): 44497152

約数和(自身を除く): 23844208

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3203, 3224, 6406, 6448, 12812, 25624, 41639, 51248, 83278, 99293, 166556, 198586, 333112, 397172, 666224, 794344, 1290809, 1588688, 2581618, 5163236, 10326472, 20652944]

約数ペア:

[(1, 20652944), (2, 10326472), (4, 5163236), (8, 2581618), (13, 1588688), (16, 1290809), (26, 794344), (31, 666224), (52, 397172), (62, 333112), (104, 198586), (124, 166556), (208, 99293), (248, 83278), (403, 51248), (496, 41639), (806, 25624), (1612, 12812), (3203, 6448), (3224, 6406)]