20709570

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5801}}^1$

素因数の和:5835

約数の個数: 64

約数和(自身を含む): 60155136

約数和(自身を除く): 39445566

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 119, 170, 210, 238, 255, 357, 510, 595, 714, 1190, 1785, 3570, 5801, 11602, 17403, 29005, 34806, 40607, 58010, 81214, 87015, 98617, 121821, 174030, 197234, 203035, 243642, 295851, 406070, 493085, 591702, 609105, 690319, 986170, 1218210, 1380638, 1479255, 2070957, 2958510, 3451595, 4141914, 6903190, 10354785, 20709570]

約数ペア:

[(1, 20709570), (2, 10354785), (3, 6903190), (5, 4141914), (6, 3451595), (7, 2958510), (10, 2070957), (14, 1479255), (15, 1380638), (17, 1218210), (21, 986170), (30, 690319), (34, 609105), (35, 591702), (42, 493085), (51, 406070), (70, 295851), (85, 243642), (102, 203035), (105, 197234), (119, 174030), (170, 121821), (210, 98617), (238, 87015), (255, 81214), (357, 58010), (510, 40607), (595, 34806), (714, 29005), (1190, 17403), (1785, 11602), (3570, 5801)]