20228810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 44789760

約数和(自身を除く): 24560950

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 89, 119, 170, 178, 191, 238, 382, 445, 595, 623, 890, 955, 1190, 1246, 1337, 1513, 1910, 2674, 3026, 3115, 3247, 6230, 6494, 6685, 7565, 10591, 13370, 15130, 16235, 16999, 21182, 22729, 32470, 33998, 45458, 52955, 84995, 105910, 113645, 118993, 169990, 227290, 237986, 288983, 577966, 594965, 1189930, 1444915, 2022881, 2889830, 4045762, 10114405, 20228810]

約数ペア:

[(1, 20228810), (2, 10114405), (5, 4045762), (7, 2889830), (10, 2022881), (14, 1444915), (17, 1189930), (34, 594965), (35, 577966), (70, 288983), (85, 237986), (89, 227290), (119, 169990), (170, 118993), (178, 113645), (191, 105910), (238, 84995), (382, 52955), (445, 45458), (595, 33998), (623, 32470), (890, 22729), (955, 21182), (1190, 16999), (1246, 16235), (1337, 15130), (1513, 13370), (1910, 10591), (2674, 7565), (3026, 6685), (3115, 6494), (3247, 6230)]