20828028384

素因数分解:

$2^5\times 3^2\times {\mathrm{257}}^1\times {\mathrm{439}}^1\times {\mathrm{641}}^1$

素因数の和:1353

約数の個数: 144

約数和(自身を含む): 59688588960

約数和(自身を除く): 38860560576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 257, 288, 439, 514, 641, 771, 878, 1028, 1282, 1317, 1542, 1756, 1923, 2056, 2313, 2564, 2634, 3084, 3512, 3846, 3951, 4112, 4626, 5128, 5268, 5769, 6168, 7024, 7692, 7902, 8224, 9252, 10256, 10536, 11538, 12336, 14048, 15384, 15804, 18504, 20512, 21072, 23076, 24672, 30768, 31608, 37008, 42144, 46152, 61536, 63216, 74016, 92304, 112823, 126432, 164737, 184608, 225646, 281399, 329474, 338469, 451292, 494211, 562798, 658948, 676938, 844197, 902584, 988422, 1015407, 1125596, 1317896, 1353876, 1482633, 1688394, 1805168, 1976844, 2030814, 2251192, 2532591, 2635792, 2707752, 2965266, 3376788, 3610336, 3953688, 4061628, 4502384, 5065182, 5271584, 5415504, 5930532, 6753576, 7907376, 8123256, 9004768, 10130364, 10831008, 11861064, 13507152, 15814752, 16246512, 20260728, 23722128, 27014304, 32493024, 40521456, 47444256, 72319543, 81042912, 144639086, 216958629, 289278172, 433917258, 578556344, 650875887, 867834516, 1157112688, 1301751774, 1735669032, 2314225376, 2603503548, 3471338064, 5207007096, 6942676128, 10414014192, 20828028384]

約数ペア:

[(1, 20828028384), (2, 10414014192), (3, 6942676128), (4, 5207007096), (6, 3471338064), (8, 2603503548), (9, 2314225376), (12, 1735669032), (16, 1301751774), (18, 1157112688), (24, 867834516), (32, 650875887), (36, 578556344), (48, 433917258), (72, 289278172), (96, 216958629), (144, 144639086), (257, 81042912), (288, 72319543), (439, 47444256), (514, 40521456), (641, 32493024), (771, 27014304), (878, 23722128), (1028, 20260728), (1282, 16246512), (1317, 15814752), (1542, 13507152), (1756, 11861064), (1923, 10831008), (2056, 10130364), (2313, 9004768), (2564, 8123256), (2634, 7907376), (3084, 6753576), (3512, 5930532), (3846, 5415504), (3951, 5271584), (4112, 5065182), (4626, 4502384), (5128, 4061628), (5268, 3953688), (5769, 3610336), (6168, 3376788), (7024, 2965266), (7692, 2707752), (7902, 2635792), (8224, 2532591), (9252, 2251192), (10256, 2030814), (10536, 1976844), (11538, 1805168), (12336, 1688394), (14048, 1482633), (15384, 1353876), (15804, 1317896), (18504, 1125596), (20512, 1015407), (21072, 988422), (23076, 902584), (24672, 844197), (30768, 676938), (31608, 658948), (37008, 562798), (42144, 494211), (46152, 451292), (61536, 338469), (63216, 329474), (74016, 281399), (92304, 225646), (112823, 184608), (126432, 164737)]