20179432

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{523}}^1$

素因数の和:602

約数の個数: 64

約数和(自身を含む): 47537280

約数和(自身を除く): 27357848

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 53, 56, 91, 104, 106, 182, 212, 364, 371, 424, 523, 689, 728, 742, 1046, 1378, 1484, 2092, 2756, 2968, 3661, 4184, 4823, 5512, 6799, 7322, 9646, 13598, 14644, 19292, 27196, 27719, 29288, 38584, 47593, 54392, 55438, 95186, 110876, 190372, 194033, 221752, 360347, 380744, 388066, 720694, 776132, 1441388, 1552264, 2522429, 2882776, 5044858, 10089716, 20179432]

約数ペア:

[(1, 20179432), (2, 10089716), (4, 5044858), (7, 2882776), (8, 2522429), (13, 1552264), (14, 1441388), (26, 776132), (28, 720694), (52, 388066), (53, 380744), (56, 360347), (91, 221752), (104, 194033), (106, 190372), (182, 110876), (212, 95186), (364, 55438), (371, 54392), (424, 47593), (523, 38584), (689, 29288), (728, 27719), (742, 27196), (1046, 19292), (1378, 14644), (1484, 13598), (2092, 9646), (2756, 7322), (2968, 6799), (3661, 5512), (4184, 4823)]