20425293382

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{227}}^1$

素因数の和:502

約数の個数: 128

約数和(自身を含む): 37529339904

約数和(自身を除く): 17104046522

約数列:

[1, 2, 13, 17, 23, 26, 34, 46, 53, 106, 167, 221, 227, 299, 334, 391, 442, 454, 598, 689, 782, 901, 1219, 1378, 1802, 2171, 2438, 2839, 2951, 3841, 3859, 4342, 5083, 5221, 5678, 5902, 7682, 7718, 8851, 10166, 10442, 11713, 12031, 15847, 17702, 20723, 23426, 24062, 31694, 36907, 37909, 41446, 49933, 50167, 65297, 67873, 73814, 75818, 88757, 99866, 100334, 115063, 130594, 135746, 150467, 156403, 177514, 203573, 204527, 230126, 269399, 276713, 300934, 312806, 407146, 409054, 492817, 538798, 553426, 644453, 848861, 871907, 985634, 1153841, 1288906, 1697722, 1743814, 1956071, 2009177, 2307682, 2646449, 2658851, 3460741, 3597269, 3912142, 4018354, 4704121, 5292898, 5317702, 6921482, 7194538, 8377889, 9408242, 11334791, 14822419, 16755778, 22669582, 26119301, 29644838, 34156009, 44989633, 46211071, 52238602, 61153573, 68312018, 89979266, 92422142, 122307146, 192691447, 385382894, 444028117, 600743923, 785588207, 888056234, 1201487846, 1571176414, 10212646691, 20425293382]

約数ペア:

[(1, 20425293382), (2, 10212646691), (13, 1571176414), (17, 1201487846), (23, 888056234), (26, 785588207), (34, 600743923), (46, 444028117), (53, 385382894), (106, 192691447), (167, 122307146), (221, 92422142), (227, 89979266), (299, 68312018), (334, 61153573), (391, 52238602), (442, 46211071), (454, 44989633), (598, 34156009), (689, 29644838), (782, 26119301), (901, 22669582), (1219, 16755778), (1378, 14822419), (1802, 11334791), (2171, 9408242), (2438, 8377889), (2839, 7194538), (2951, 6921482), (3841, 5317702), (3859, 5292898), (4342, 4704121), (5083, 4018354), (5221, 3912142), (5678, 3597269), (5902, 3460741), (7682, 2658851), (7718, 2646449), (8851, 2307682), (10166, 2009177), (10442, 1956071), (11713, 1743814), (12031, 1697722), (15847, 1288906), (17702, 1153841), (20723, 985634), (23426, 871907), (24062, 848861), (31694, 644453), (36907, 553426), (37909, 538798), (41446, 492817), (49933, 409054), (50167, 407146), (65297, 312806), (67873, 300934), (73814, 276713), (75818, 269399), (88757, 230126), (99866, 204527), (100334, 203573), (115063, 177514), (130594, 156403), (135746, 150467)]