20584872

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:156

約数の個数: 192

約数和(自身を含む): 71884800

約数和(自身を除く): 51299928

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 28, 33, 36, 42, 44, 47, 56, 63, 66, 72, 77, 79, 84, 88, 94, 99, 126, 132, 141, 154, 158, 168, 188, 198, 231, 237, 252, 264, 282, 308, 316, 329, 376, 396, 423, 462, 474, 504, 517, 553, 564, 616, 632, 658, 693, 711, 792, 846, 869, 924, 948, 987, 1034, 1106, 1128, 1316, 1386, 1422, 1551, 1659, 1692, 1738, 1848, 1896, 1974, 2068, 2212, 2607, 2632, 2772, 2844, 2961, 3102, 3318, 3384, 3476, 3619, 3713, 3948, 4136, 4424, 4653, 4977, 5214, 5544, 5688, 5922, 6083, 6204, 6636, 6952, 7238, 7426, 7821, 7896, 9306, 9954, 10428, 10857, 11139, 11844, 12166, 12408, 13272, 14476, 14852, 15642, 18249, 18612, 19908, 20856, 21714, 22278, 23688, 24332, 25991, 28952, 29704, 31284, 32571, 33417, 36498, 37224, 39816, 40843, 43428, 44556, 48664, 51982, 54747, 62568, 65142, 66834, 72996, 77973, 81686, 86856, 89112, 103964, 109494, 122529, 130284, 133668, 145992, 155946, 163372, 207928, 218988, 233919, 245058, 260568, 267336, 285901, 311892, 326744, 367587, 437976, 467838, 490116, 571802, 623784, 735174, 857703, 935676, 980232, 1143604, 1470348, 1715406, 1871352, 2287208, 2573109, 2940696, 3430812, 5146218, 6861624, 10292436, 20584872]

約数ペア:

[(1, 20584872), (2, 10292436), (3, 6861624), (4, 5146218), (6, 3430812), (7, 2940696), (8, 2573109), (9, 2287208), (11, 1871352), (12, 1715406), (14, 1470348), (18, 1143604), (21, 980232), (22, 935676), (24, 857703), (28, 735174), (33, 623784), (36, 571802), (42, 490116), (44, 467838), (47, 437976), (56, 367587), (63, 326744), (66, 311892), (72, 285901), (77, 267336), (79, 260568), (84, 245058), (88, 233919), (94, 218988), (99, 207928), (126, 163372), (132, 155946), (141, 145992), (154, 133668), (158, 130284), (168, 122529), (188, 109494), (198, 103964), (231, 89112), (237, 86856), (252, 81686), (264, 77973), (282, 72996), (308, 66834), (316, 65142), (329, 62568), (376, 54747), (396, 51982), (423, 48664), (462, 44556), (474, 43428), (504, 40843), (517, 39816), (553, 37224), (564, 36498), (616, 33417), (632, 32571), (658, 31284), (693, 29704), (711, 28952), (792, 25991), (846, 24332), (869, 23688), (924, 22278), (948, 21714), (987, 20856), (1034, 19908), (1106, 18612), (1128, 18249), (1316, 15642), (1386, 14852), (1422, 14476), (1551, 13272), (1659, 12408), (1692, 12166), (1738, 11844), (1848, 11139), (1896, 10857), (1974, 10428), (2068, 9954), (2212, 9306), (2607, 7896), (2632, 7821), (2772, 7426), (2844, 7238), (2961, 6952), (3102, 6636), (3318, 6204), (3384, 6083), (3476, 5922), (3619, 5688), (3713, 5544), (3948, 5214), (4136, 4977), (4424, 4653)]