20078324

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 42201600

約数和(自身を除く): 22123276

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 79, 116, 158, 203, 313, 316, 406, 553, 626, 812, 1106, 1252, 2191, 2212, 2291, 4382, 4582, 8764, 9077, 9164, 16037, 18154, 24727, 32074, 36308, 49454, 63539, 64148, 98908, 127078, 173089, 254156, 346178, 692356, 717083, 1434166, 2868332, 5019581, 10039162, 20078324]

約数ペア:

[(1, 20078324), (2, 10039162), (4, 5019581), (7, 2868332), (14, 1434166), (28, 717083), (29, 692356), (58, 346178), (79, 254156), (116, 173089), (158, 127078), (203, 98908), (313, 64148), (316, 63539), (406, 49454), (553, 36308), (626, 32074), (812, 24727), (1106, 18154), (1252, 16037), (2191, 9164), (2212, 9077), (2291, 8764), (4382, 4582)]