20111383880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71826371}}^1$

素因数の和:71826389

約数の個数: 32

約数和(自身を含む): 51714987840

約数和(自身を除く): 31603603960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 71826371, 143652742, 287305484, 359131855, 502784597, 574610968, 718263710, 1005569194, 1436527420, 2011138388, 2513922985, 2873054840, 4022276776, 5027845970, 10055691940, 20111383880]

約数ペア:

[(1, 20111383880), (2, 10055691940), (4, 5027845970), (5, 4022276776), (7, 2873054840), (8, 2513922985), (10, 2011138388), (14, 1436527420), (20, 1005569194), (28, 718263710), (35, 574610968), (40, 502784597), (56, 359131855), (70, 287305484), (140, 143652742), (280, 71826371)]