20864448

素因数分解:

$2^6\times 3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:155

約数の個数: 168

約数和(自身を含む): 67757040

約数和(自身を除く): 46892592

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 37, 44, 48, 64, 66, 72, 74, 88, 89, 96, 99, 111, 132, 144, 148, 176, 178, 192, 198, 222, 264, 267, 288, 296, 333, 352, 356, 396, 407, 444, 528, 534, 576, 592, 666, 704, 712, 792, 801, 814, 888, 979, 1056, 1068, 1184, 1221, 1332, 1424, 1584, 1602, 1628, 1776, 1958, 2112, 2136, 2368, 2442, 2664, 2848, 2937, 3168, 3204, 3256, 3293, 3552, 3663, 3916, 4272, 4884, 5328, 5696, 5874, 6336, 6408, 6512, 6586, 7104, 7326, 7832, 8544, 8811, 9768, 9879, 10656, 11748, 12816, 13024, 13172, 14652, 15664, 17088, 17622, 19536, 19758, 21312, 23496, 25632, 26048, 26344, 29304, 29637, 31328, 35244, 36223, 39072, 39516, 46992, 51264, 52688, 58608, 59274, 62656, 70488, 72446, 78144, 79032, 93984, 105376, 108669, 117216, 118548, 140976, 144892, 158064, 187968, 210752, 217338, 234432, 237096, 281952, 289784, 316128, 326007, 434676, 474192, 563904, 579568, 632256, 652014, 869352, 948384, 1159136, 1304028, 1738704, 1896768, 2318272, 2608056, 3477408, 5216112, 6954816, 10432224, 20864448]

約数ペア:

[(1, 20864448), (2, 10432224), (3, 6954816), (4, 5216112), (6, 3477408), (8, 2608056), (9, 2318272), (11, 1896768), (12, 1738704), (16, 1304028), (18, 1159136), (22, 948384), (24, 869352), (32, 652014), (33, 632256), (36, 579568), (37, 563904), (44, 474192), (48, 434676), (64, 326007), (66, 316128), (72, 289784), (74, 281952), (88, 237096), (89, 234432), (96, 217338), (99, 210752), (111, 187968), (132, 158064), (144, 144892), (148, 140976), (176, 118548), (178, 117216), (192, 108669), (198, 105376), (222, 93984), (264, 79032), (267, 78144), (288, 72446), (296, 70488), (333, 62656), (352, 59274), (356, 58608), (396, 52688), (407, 51264), (444, 46992), (528, 39516), (534, 39072), (576, 36223), (592, 35244), (666, 31328), (704, 29637), (712, 29304), (792, 26344), (801, 26048), (814, 25632), (888, 23496), (979, 21312), (1056, 19758), (1068, 19536), (1184, 17622), (1221, 17088), (1332, 15664), (1424, 14652), (1584, 13172), (1602, 13024), (1628, 12816), (1776, 11748), (1958, 10656), (2112, 9879), (2136, 9768), (2368, 8811), (2442, 8544), (2664, 7832), (2848, 7326), (2937, 7104), (3168, 6586), (3204, 6512), (3256, 6408), (3293, 6336), (3552, 5874), (3663, 5696), (3916, 5328), (4272, 4884)]