20490816

素因数分解:

$2^6\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:212

約数の個数: 112

約数和(自身を含む): 58887360

約数和(自身を除く): 38396544

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 41, 48, 57, 64, 76, 82, 96, 114, 123, 137, 152, 164, 192, 228, 246, 274, 304, 328, 411, 456, 492, 548, 608, 656, 779, 822, 912, 984, 1096, 1216, 1312, 1558, 1644, 1824, 1968, 2192, 2337, 2603, 2624, 3116, 3288, 3648, 3936, 4384, 4674, 5206, 5617, 6232, 6576, 7809, 7872, 8768, 9348, 10412, 11234, 12464, 13152, 15618, 16851, 18696, 20824, 22468, 24928, 26304, 31236, 33702, 37392, 41648, 44936, 49856, 62472, 67404, 74784, 83296, 89872, 106723, 124944, 134808, 149568, 166592, 179744, 213446, 249888, 269616, 320169, 359488, 426892, 499776, 539232, 640338, 853784, 1078464, 1280676, 1707568, 2561352, 3415136, 5122704, 6830272, 10245408, 20490816]

約数ペア:

[(1, 20490816), (2, 10245408), (3, 6830272), (4, 5122704), (6, 3415136), (8, 2561352), (12, 1707568), (16, 1280676), (19, 1078464), (24, 853784), (32, 640338), (38, 539232), (41, 499776), (48, 426892), (57, 359488), (64, 320169), (76, 269616), (82, 249888), (96, 213446), (114, 179744), (123, 166592), (137, 149568), (152, 134808), (164, 124944), (192, 106723), (228, 89872), (246, 83296), (274, 74784), (304, 67404), (328, 62472), (411, 49856), (456, 44936), (492, 41648), (548, 37392), (608, 33702), (656, 31236), (779, 26304), (822, 24928), (912, 22468), (984, 20824), (1096, 18696), (1216, 16851), (1312, 15618), (1558, 13152), (1644, 12464), (1824, 11234), (1968, 10412), (2192, 9348), (2337, 8768), (2603, 7872), (2624, 7809), (3116, 6576), (3288, 6232), (3648, 5617), (3936, 5206), (4384, 4674)]