20872512

素因数分解:

$2^6\times 3^3\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:325

約数の個数: 112

約数和(自身を含む): 62910720

約数和(自身を除く): 42038208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 47, 48, 54, 64, 72, 94, 96, 108, 141, 144, 188, 192, 216, 257, 282, 288, 376, 423, 432, 514, 564, 576, 752, 771, 846, 864, 1028, 1128, 1269, 1504, 1542, 1692, 1728, 2056, 2256, 2313, 2538, 3008, 3084, 3384, 4112, 4512, 4626, 5076, 6168, 6768, 6939, 8224, 9024, 9252, 10152, 12079, 12336, 13536, 13878, 16448, 18504, 20304, 24158, 24672, 27072, 27756, 36237, 37008, 40608, 48316, 49344, 55512, 72474, 74016, 81216, 96632, 108711, 111024, 144948, 148032, 193264, 217422, 222048, 289896, 326133, 386528, 434844, 444096, 579792, 652266, 773056, 869688, 1159584, 1304532, 1739376, 2319168, 2609064, 3478752, 5218128, 6957504, 10436256, 20872512]

約数ペア:

[(1, 20872512), (2, 10436256), (3, 6957504), (4, 5218128), (6, 3478752), (8, 2609064), (9, 2319168), (12, 1739376), (16, 1304532), (18, 1159584), (24, 869688), (27, 773056), (32, 652266), (36, 579792), (47, 444096), (48, 434844), (54, 386528), (64, 326133), (72, 289896), (94, 222048), (96, 217422), (108, 193264), (141, 148032), (144, 144948), (188, 111024), (192, 108711), (216, 96632), (257, 81216), (282, 74016), (288, 72474), (376, 55512), (423, 49344), (432, 48316), (514, 40608), (564, 37008), (576, 36237), (752, 27756), (771, 27072), (846, 24672), (864, 24158), (1028, 20304), (1128, 18504), (1269, 16448), (1504, 13878), (1542, 13536), (1692, 12336), (1728, 12079), (2056, 10152), (2256, 9252), (2313, 9024), (2538, 8224), (3008, 6939), (3084, 6768), (3384, 6168), (4112, 5076), (4512, 4626)]