20020723976

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{947}}^1$

素因数の和:1195

約数の個数: 128

約数和(自身を含む): 43367132160

約数和(自身を除く): 23346408184

約数列:

[1, 2, 4, 8, 11, 22, 37, 43, 44, 74, 86, 88, 148, 151, 172, 296, 302, 344, 407, 473, 604, 814, 946, 947, 1208, 1591, 1628, 1661, 1892, 1894, 3182, 3256, 3322, 3784, 3788, 5587, 6364, 6493, 6644, 7576, 10417, 11174, 12728, 12986, 13288, 17501, 20834, 22348, 25972, 35002, 35039, 40721, 41668, 44696, 51944, 61457, 70004, 70078, 71423, 81442, 83336, 122914, 140008, 140156, 142846, 142997, 162884, 240241, 245828, 280312, 285692, 285994, 325768, 385429, 447931, 480482, 491656, 571384, 571988, 770858, 895862, 960964, 1143976, 1506677, 1541716, 1572967, 1791724, 1921928, 2642651, 3013354, 3083432, 3145934, 3583448, 5285302, 5290889, 6026708, 6148871, 6291868, 10570604, 10581778, 12053416, 12297742, 12583736, 16573447, 21141208, 21163556, 24595484, 33146894, 42327112, 49190968, 58199779, 66293788, 67637581, 116399558, 132587576, 135275162, 227508227, 232799116, 270550324, 455016454, 465598232, 541100648, 910032908, 1820065816, 2502590497, 5005180994, 10010361988, 20020723976]

約数ペア:

[(1, 20020723976), (2, 10010361988), (4, 5005180994), (8, 2502590497), (11, 1820065816), (22, 910032908), (37, 541100648), (43, 465598232), (44, 455016454), (74, 270550324), (86, 232799116), (88, 227508227), (148, 135275162), (151, 132587576), (172, 116399558), (296, 67637581), (302, 66293788), (344, 58199779), (407, 49190968), (473, 42327112), (604, 33146894), (814, 24595484), (946, 21163556), (947, 21141208), (1208, 16573447), (1591, 12583736), (1628, 12297742), (1661, 12053416), (1892, 10581778), (1894, 10570604), (3182, 6291868), (3256, 6148871), (3322, 6026708), (3784, 5290889), (3788, 5285302), (5587, 3583448), (6364, 3145934), (6493, 3083432), (6644, 3013354), (7576, 2642651), (10417, 1921928), (11174, 1791724), (12728, 1572967), (12986, 1541716), (13288, 1506677), (17501, 1143976), (20834, 960964), (22348, 895862), (25972, 770858), (35002, 571988), (35039, 571384), (40721, 491656), (41668, 480482), (44696, 447931), (51944, 385429), (61457, 325768), (70004, 285994), (70078, 285692), (71423, 280312), (81442, 245828), (83336, 240241), (122914, 162884), (140008, 142997), (140156, 142846)]