20050506

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:328

約数の個数: 72

約数和(自身を含む): 51217920

約数和(自身を除く): 31167414

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 127, 147, 179, 254, 294, 358, 381, 441, 537, 762, 882, 889, 1074, 1143, 1253, 1611, 1778, 2286, 2506, 2667, 3222, 3759, 5334, 6223, 7518, 8001, 8771, 11277, 12446, 16002, 17542, 18669, 22554, 22733, 26313, 37338, 45466, 52626, 56007, 68199, 78939, 112014, 136398, 157878, 159131, 204597, 318262, 409194, 477393, 954786, 1113917, 1432179, 2227834, 2864358, 3341751, 6683502, 10025253, 20050506]

約数ペア:

[(1, 20050506), (2, 10025253), (3, 6683502), (6, 3341751), (7, 2864358), (9, 2227834), (14, 1432179), (18, 1113917), (21, 954786), (42, 477393), (49, 409194), (63, 318262), (98, 204597), (126, 159131), (127, 157878), (147, 136398), (179, 112014), (254, 78939), (294, 68199), (358, 56007), (381, 52626), (441, 45466), (537, 37338), (762, 26313), (882, 22733), (889, 22554), (1074, 18669), (1143, 17542), (1253, 16002), (1611, 12446), (1778, 11277), (2286, 8771), (2506, 8001), (2667, 7518), (3222, 6223), (3759, 5334)]