20127856

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6197}}^1$

素因数の和:6241

約数の個数: 40

約数和(自身を含む): 46113120

約数和(自身を除く): 25985264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 203, 232, 406, 464, 812, 1624, 3248, 6197, 12394, 24788, 43379, 49576, 86758, 99152, 173516, 179713, 347032, 359426, 694064, 718852, 1257991, 1437704, 2515982, 2875408, 5031964, 10063928, 20127856]

約数ペア:

[(1, 20127856), (2, 10063928), (4, 5031964), (7, 2875408), (8, 2515982), (14, 1437704), (16, 1257991), (28, 718852), (29, 694064), (56, 359426), (58, 347032), (112, 179713), (116, 173516), (203, 99152), (232, 86758), (406, 49576), (464, 43379), (812, 24788), (1624, 12394), (3248, 6197)]