20013777728

素因数分解:

$2^6\times 7^1\times {\mathrm{3529}}^1\times {\mathrm{12659}}^1$

素因数の和:16207

約数の個数: 56

約数和(自身を含む): 45404836800

約数和(自身を除く): 25391059072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 3529, 7058, 12659, 14116, 24703, 25318, 28232, 49406, 50636, 56464, 88613, 98812, 101272, 112928, 177226, 197624, 202544, 225856, 354452, 395248, 405088, 708904, 790496, 810176, 1417808, 1580992, 2835616, 5671232, 44673611, 89347222, 178694444, 312715277, 357388888, 625430554, 714777776, 1250861108, 1429555552, 2501722216, 2859111104, 5003444432, 10006888864, 20013777728]

約数ペア:

[(1, 20013777728), (2, 10006888864), (4, 5003444432), (7, 2859111104), (8, 2501722216), (14, 1429555552), (16, 1250861108), (28, 714777776), (32, 625430554), (56, 357388888), (64, 312715277), (112, 178694444), (224, 89347222), (448, 44673611), (3529, 5671232), (7058, 2835616), (12659, 1580992), (14116, 1417808), (24703, 810176), (25318, 790496), (28232, 708904), (49406, 405088), (50636, 395248), (56464, 354452), (88613, 225856), (98812, 202544), (101272, 197624), (112928, 177226)]