20784737664

素因数分解:

$2^7\times 3^2\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{1559}}^1$

素因数の和:1813

約数の個数: 192

約数和(自身を含む): 61063891200

約数和(自身を除く): 40279153536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 71, 72, 96, 128, 142, 144, 163, 192, 213, 284, 288, 326, 384, 426, 489, 568, 576, 639, 652, 852, 978, 1136, 1152, 1278, 1304, 1467, 1559, 1704, 1956, 2272, 2556, 2608, 2934, 3118, 3408, 3912, 4544, 4677, 5112, 5216, 5868, 6236, 6816, 7824, 9088, 9354, 10224, 10432, 11573, 11736, 12472, 13632, 14031, 15648, 18708, 20448, 20864, 23146, 23472, 24944, 27264, 28062, 31296, 34719, 37416, 40896, 46292, 46944, 49888, 56124, 62592, 69438, 74832, 81792, 92584, 93888, 99776, 104157, 110689, 112248, 138876, 149664, 185168, 187776, 199552, 208314, 221378, 224496, 254117, 277752, 299328, 332067, 370336, 416628, 442756, 448992, 508234, 555504, 598656, 664134, 740672, 762351, 833256, 885512, 897984, 996201, 1016468, 1111008, 1328268, 1481344, 1524702, 1666512, 1771024, 1795968, 1992402, 2032936, 2222016, 2287053, 2656536, 3049404, 3333024, 3542048, 3984804, 4065872, 4444032, 4574106, 5313072, 6098808, 6666048, 7084096, 7969608, 8131744, 9148212, 10626144, 12197616, 13332096, 14168192, 15939216, 16263488, 18042307, 18296424, 21252288, 24395232, 31878432, 32526976, 36084614, 36592848, 42504576, 48790464, 54126921, 63756864, 72169228, 73185696, 97580928, 108253842, 127513728, 144338456, 146371392, 162380763, 216507684, 288676912, 292742784, 324761526, 433015368, 577353824, 649523052, 866030736, 1154707648, 1299046104, 1732061472, 2309415296, 2598092208, 3464122944, 5196184416, 6928245888, 10392368832, 20784737664]

約数ペア:

[(1, 20784737664), (2, 10392368832), (3, 6928245888), (4, 5196184416), (6, 3464122944), (8, 2598092208), (9, 2309415296), (12, 1732061472), (16, 1299046104), (18, 1154707648), (24, 866030736), (32, 649523052), (36, 577353824), (48, 433015368), (64, 324761526), (71, 292742784), (72, 288676912), (96, 216507684), (128, 162380763), (142, 146371392), (144, 144338456), (163, 127513728), (192, 108253842), (213, 97580928), (284, 73185696), (288, 72169228), (326, 63756864), (384, 54126921), (426, 48790464), (489, 42504576), (568, 36592848), (576, 36084614), (639, 32526976), (652, 31878432), (852, 24395232), (978, 21252288), (1136, 18296424), (1152, 18042307), (1278, 16263488), (1304, 15939216), (1467, 14168192), (1559, 13332096), (1704, 12197616), (1956, 10626144), (2272, 9148212), (2556, 8131744), (2608, 7969608), (2934, 7084096), (3118, 6666048), (3408, 6098808), (3912, 5313072), (4544, 4574106), (4677, 4444032), (5112, 4065872), (5216, 3984804), (5868, 3542048), (6236, 3333024), (6816, 3049404), (7824, 2656536), (9088, 2287053), (9354, 2222016), (10224, 2032936), (10432, 1992402), (11573, 1795968), (11736, 1771024), (12472, 1666512), (13632, 1524702), (14031, 1481344), (15648, 1328268), (18708, 1111008), (20448, 1016468), (20864, 996201), (23146, 897984), (23472, 885512), (24944, 833256), (27264, 762351), (28062, 740672), (31296, 664134), (34719, 598656), (37416, 555504), (40896, 508234), (46292, 448992), (46944, 442756), (49888, 416628), (56124, 370336), (62592, 332067), (69438, 299328), (74832, 277752), (81792, 254117), (92584, 224496), (93888, 221378), (99776, 208314), (104157, 199552), (110689, 187776), (112248, 185168), (138876, 149664)]