20672950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{463}}^1$

素因数の和:541

約数の個数: 48

約数和(自身を含む): 41425920

約数和(自身を除く): 20752970

約数列:

[1, 2, 5, 10, 19, 25, 38, 47, 50, 94, 95, 190, 235, 463, 470, 475, 893, 926, 950, 1175, 1786, 2315, 2350, 4465, 4630, 8797, 8930, 11575, 17594, 21761, 22325, 23150, 43522, 43985, 44650, 87970, 108805, 217610, 219925, 413459, 439850, 544025, 826918, 1088050, 2067295, 4134590, 10336475, 20672950]

約数ペア:

[(1, 20672950), (2, 10336475), (5, 4134590), (10, 2067295), (19, 1088050), (25, 826918), (38, 544025), (47, 439850), (50, 413459), (94, 219925), (95, 217610), (190, 108805), (235, 87970), (463, 44650), (470, 43985), (475, 43522), (893, 23150), (926, 22325), (950, 21761), (1175, 17594), (1786, 11575), (2315, 8930), (2350, 8797), (4465, 4630)]