20418816

素因数分解:

$2^8\times 3^1\times {\mathrm{11}}^1\times {\mathrm{2417}}^1$

素因数の和:2447

約数の個数: 72

約数和(自身を含む): 59308704

約数和(自身を除く): 38889888

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 96, 128, 132, 176, 192, 256, 264, 352, 384, 528, 704, 768, 1056, 1408, 2112, 2417, 2816, 4224, 4834, 7251, 8448, 9668, 14502, 19336, 26587, 29004, 38672, 53174, 58008, 77344, 79761, 106348, 116016, 154688, 159522, 212696, 232032, 309376, 319044, 425392, 464064, 618752, 638088, 850784, 928128, 1276176, 1701568, 1856256, 2552352, 3403136, 5104704, 6806272, 10209408, 20418816]

約数ペア:

[(1, 20418816), (2, 10209408), (3, 6806272), (4, 5104704), (6, 3403136), (8, 2552352), (11, 1856256), (12, 1701568), (16, 1276176), (22, 928128), (24, 850784), (32, 638088), (33, 618752), (44, 464064), (48, 425392), (64, 319044), (66, 309376), (88, 232032), (96, 212696), (128, 159522), (132, 154688), (176, 116016), (192, 106348), (256, 79761), (264, 77344), (352, 58008), (384, 53174), (528, 38672), (704, 29004), (768, 26587), (1056, 19336), (1408, 14502), (2112, 9668), (2417, 8448), (2816, 7251), (4224, 4834)]