20177091844

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{317}}^1\times {\mathrm{13451}}^1$

素因数の和:13805

約数の個数: 72

約数和(自身を含む): 43838238528

約数和(自身を除く): 23661146684

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 317, 338, 364, 634, 676, 1183, 1268, 2219, 2366, 4121, 4438, 4732, 8242, 8876, 13451, 16484, 26902, 28847, 53573, 53804, 57694, 94157, 107146, 115388, 174863, 188314, 214292, 349726, 375011, 376628, 699452, 750022, 1224041, 1500044, 2273219, 2448082, 4263967, 4546438, 4896164, 8527934, 9092876, 15912533, 17055868, 29847769, 31825066, 55431571, 59695538, 63650132, 110863142, 119391076, 221726284, 388020997, 720610423, 776041994, 1441220846, 1552083988, 2882441692, 5044272961, 10088545922, 20177091844]

約数ペア:

[(1, 20177091844), (2, 10088545922), (4, 5044272961), (7, 2882441692), (13, 1552083988), (14, 1441220846), (26, 776041994), (28, 720610423), (52, 388020997), (91, 221726284), (169, 119391076), (182, 110863142), (317, 63650132), (338, 59695538), (364, 55431571), (634, 31825066), (676, 29847769), (1183, 17055868), (1268, 15912533), (2219, 9092876), (2366, 8527934), (4121, 4896164), (4438, 4546438), (4732, 4263967), (8242, 2448082), (8876, 2273219), (13451, 1500044), (16484, 1224041), (26902, 750022), (28847, 699452), (53573, 376628), (53804, 375011), (57694, 349726), (94157, 214292), (107146, 188314), (115388, 174863)]