20178912

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:105

約数の個数: 192

約数和(自身を含む): 64350720

約数和(自身を除く): 44171808

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 23, 24, 26, 32, 37, 38, 39, 46, 48, 52, 57, 69, 74, 76, 78, 92, 96, 104, 111, 114, 138, 148, 152, 156, 184, 208, 222, 228, 247, 276, 296, 299, 304, 312, 368, 416, 437, 444, 456, 481, 494, 552, 592, 598, 608, 624, 703, 736, 741, 851, 874, 888, 897, 912, 962, 988, 1104, 1184, 1196, 1248, 1311, 1406, 1443, 1482, 1702, 1748, 1776, 1794, 1824, 1924, 1976, 2109, 2208, 2392, 2553, 2622, 2812, 2886, 2964, 3404, 3496, 3552, 3588, 3848, 3952, 4218, 4784, 5106, 5244, 5624, 5681, 5772, 5928, 6808, 6992, 7176, 7696, 7904, 8436, 9139, 9568, 10212, 10488, 11063, 11248, 11362, 11544, 11856, 13616, 13984, 14352, 15392, 16169, 16872, 17043, 18278, 20424, 20976, 22126, 22496, 22724, 23088, 23712, 27232, 27417, 28704, 32338, 33189, 33744, 34086, 36556, 40848, 41952, 44252, 45448, 46176, 48507, 54834, 64676, 66378, 67488, 68172, 73112, 81696, 88504, 90896, 97014, 109668, 129352, 132756, 136344, 146224, 177008, 181792, 194028, 210197, 219336, 258704, 265512, 272688, 292448, 354016, 388056, 420394, 438672, 517408, 531024, 545376, 630591, 776112, 840788, 877344, 1062048, 1261182, 1552224, 1681576, 2522364, 3363152, 5044728, 6726304, 10089456, 20178912]

約数ペア:

[(1, 20178912), (2, 10089456), (3, 6726304), (4, 5044728), (6, 3363152), (8, 2522364), (12, 1681576), (13, 1552224), (16, 1261182), (19, 1062048), (23, 877344), (24, 840788), (26, 776112), (32, 630591), (37, 545376), (38, 531024), (39, 517408), (46, 438672), (48, 420394), (52, 388056), (57, 354016), (69, 292448), (74, 272688), (76, 265512), (78, 258704), (92, 219336), (96, 210197), (104, 194028), (111, 181792), (114, 177008), (138, 146224), (148, 136344), (152, 132756), (156, 129352), (184, 109668), (208, 97014), (222, 90896), (228, 88504), (247, 81696), (276, 73112), (296, 68172), (299, 67488), (304, 66378), (312, 64676), (368, 54834), (416, 48507), (437, 46176), (444, 45448), (456, 44252), (481, 41952), (494, 40848), (552, 36556), (592, 34086), (598, 33744), (608, 33189), (624, 32338), (703, 28704), (736, 27417), (741, 27232), (851, 23712), (874, 23088), (888, 22724), (897, 22496), (912, 22126), (962, 20976), (988, 20424), (1104, 18278), (1184, 17043), (1196, 16872), (1248, 16169), (1311, 15392), (1406, 14352), (1443, 13984), (1482, 13616), (1702, 11856), (1748, 11544), (1776, 11362), (1794, 11248), (1824, 11063), (1924, 10488), (1976, 10212), (2109, 9568), (2208, 9139), (2392, 8436), (2553, 7904), (2622, 7696), (2812, 7176), (2886, 6992), (2964, 6808), (3404, 5928), (3496, 5772), (3552, 5681), (3588, 5624), (3848, 5244), (3952, 5106), (4218, 4784)]