20121015222

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{439919}}^1$

素因数の和:439959

約数の個数: 96

約数和(自身を含む): 56168985600

約数和(自身を除く): 36047970378

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 63, 66, 77, 99, 121, 126, 154, 189, 198, 231, 242, 297, 363, 378, 462, 594, 693, 726, 847, 1089, 1386, 1694, 2079, 2178, 2541, 3267, 4158, 5082, 6534, 7623, 15246, 22869, 45738, 439919, 879838, 1319757, 2639514, 3079433, 3959271, 4839109, 6158866, 7918542, 9238299, 9678218, 11877813, 14517327, 18476598, 23755626, 27714897, 29034654, 33873763, 43551981, 53230199, 55429794, 67747526, 83144691, 87103962, 101621289, 106460398, 130655943, 159690597, 166289382, 203242578, 261311886, 304863867, 319381194, 372611393, 479071791, 609727734, 745222786, 914591601, 958143582, 1117834179, 1437215373, 1829183202, 2235668358, 2874430746, 3353502537, 6707005074, 10060507611, 20121015222]

約数ペア:

[(1, 20121015222), (2, 10060507611), (3, 6707005074), (6, 3353502537), (7, 2874430746), (9, 2235668358), (11, 1829183202), (14, 1437215373), (18, 1117834179), (21, 958143582), (22, 914591601), (27, 745222786), (33, 609727734), (42, 479071791), (54, 372611393), (63, 319381194), (66, 304863867), (77, 261311886), (99, 203242578), (121, 166289382), (126, 159690597), (154, 130655943), (189, 106460398), (198, 101621289), (231, 87103962), (242, 83144691), (297, 67747526), (363, 55429794), (378, 53230199), (462, 43551981), (594, 33873763), (693, 29034654), (726, 27714897), (847, 23755626), (1089, 18476598), (1386, 14517327), (1694, 11877813), (2079, 9678218), (2178, 9238299), (2541, 7918542), (3267, 6158866), (4158, 4839109), (5082, 3959271), (6534, 3079433), (7623, 2639514), (15246, 1319757), (22869, 879838), (45738, 439919)]