20993904

素因数分解:

$2^4\times 3^4\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:284

約数の個数: 100

約数和(自身を含む): 61756464

約数和(自身を除く): 40762560

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 97, 108, 144, 162, 167, 194, 216, 291, 324, 334, 388, 432, 501, 582, 648, 668, 776, 873, 1002, 1164, 1296, 1336, 1503, 1552, 1746, 2004, 2328, 2619, 2672, 3006, 3492, 4008, 4509, 4656, 5238, 6012, 6984, 7857, 8016, 9018, 10476, 12024, 13527, 13968, 15714, 16199, 18036, 20952, 24048, 27054, 31428, 32398, 36072, 41904, 48597, 54108, 62856, 64796, 72144, 97194, 108216, 125712, 129592, 145791, 194388, 216432, 259184, 291582, 388776, 437373, 583164, 777552, 874746, 1166328, 1312119, 1749492, 2332656, 2624238, 3498984, 5248476, 6997968, 10496952, 20993904]

約数ペア:

[(1, 20993904), (2, 10496952), (3, 6997968), (4, 5248476), (6, 3498984), (8, 2624238), (9, 2332656), (12, 1749492), (16, 1312119), (18, 1166328), (24, 874746), (27, 777552), (36, 583164), (48, 437373), (54, 388776), (72, 291582), (81, 259184), (97, 216432), (108, 194388), (144, 145791), (162, 129592), (167, 125712), (194, 108216), (216, 97194), (291, 72144), (324, 64796), (334, 62856), (388, 54108), (432, 48597), (501, 41904), (582, 36072), (648, 32398), (668, 31428), (776, 27054), (873, 24048), (1002, 20952), (1164, 18036), (1296, 16199), (1336, 15714), (1503, 13968), (1552, 13527), (1746, 12024), (2004, 10476), (2328, 9018), (2619, 8016), (2672, 7857), (3006, 6984), (3492, 6012), (4008, 5238), (4509, 4656)]