20196016880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19419247}}^1$

素因数の和:19419273

約数の個数: 40

約数和(自身を含む): 50567721792

約数和(自身を除く): 30371704912

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 19419247, 38838494, 77676988, 97096235, 155353976, 194192470, 252450211, 310707952, 388384940, 504900422, 776769880, 1009800844, 1262251055, 1553539760, 2019601688, 2524502110, 4039203376, 5049004220, 10098008440, 20196016880]

約数ペア:

[(1, 20196016880), (2, 10098008440), (4, 5049004220), (5, 4039203376), (8, 2524502110), (10, 2019601688), (13, 1553539760), (16, 1262251055), (20, 1009800844), (26, 776769880), (40, 504900422), (52, 388384940), (65, 310707952), (80, 252450211), (104, 194192470), (130, 155353976), (208, 97096235), (260, 77676988), (520, 38838494), (1040, 19419247)]