20392916

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 39191040

約数和(自身を除く): 18798124

約数列:

[1, 2, 4, 29, 31, 53, 58, 62, 106, 107, 116, 124, 212, 214, 428, 899, 1537, 1643, 1798, 3074, 3103, 3286, 3317, 3596, 5671, 6148, 6206, 6572, 6634, 11342, 12412, 13268, 22684, 47647, 95294, 96193, 164459, 175801, 190588, 192386, 328918, 351602, 384772, 657836, 703204, 5098229, 10196458, 20392916]

約数ペア:

[(1, 20392916), (2, 10196458), (4, 5098229), (29, 703204), (31, 657836), (53, 384772), (58, 351602), (62, 328918), (106, 192386), (107, 190588), (116, 175801), (124, 164459), (212, 96193), (214, 95294), (428, 47647), (899, 22684), (1537, 13268), (1643, 12412), (1798, 11342), (3074, 6634), (3103, 6572), (3286, 6206), (3317, 6148), (3596, 5671)]