20268144

素因数分解:

$2^4\times 3^5\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:437

約数の個数: 120

約数和(自身を含む): 63506352

約数和(自身を除く): 43238208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 81, 104, 108, 117, 144, 156, 162, 208, 216, 234, 243, 312, 324, 351, 401, 432, 468, 486, 624, 648, 702, 802, 936, 972, 1053, 1203, 1296, 1404, 1604, 1872, 1944, 2106, 2406, 2808, 3159, 3208, 3609, 3888, 4212, 4812, 5213, 5616, 6318, 6416, 7218, 8424, 9624, 10426, 10827, 12636, 14436, 15639, 16848, 19248, 20852, 21654, 25272, 28872, 31278, 32481, 41704, 43308, 46917, 50544, 57744, 62556, 64962, 83408, 86616, 93834, 97443, 125112, 129924, 140751, 173232, 187668, 194886, 250224, 259848, 281502, 375336, 389772, 422253, 519696, 563004, 750672, 779544, 844506, 1126008, 1266759, 1559088, 1689012, 2252016, 2533518, 3378024, 5067036, 6756048, 10134072, 20268144]

約数ペア:

[(1, 20268144), (2, 10134072), (3, 6756048), (4, 5067036), (6, 3378024), (8, 2533518), (9, 2252016), (12, 1689012), (13, 1559088), (16, 1266759), (18, 1126008), (24, 844506), (26, 779544), (27, 750672), (36, 563004), (39, 519696), (48, 422253), (52, 389772), (54, 375336), (72, 281502), (78, 259848), (81, 250224), (104, 194886), (108, 187668), (117, 173232), (144, 140751), (156, 129924), (162, 125112), (208, 97443), (216, 93834), (234, 86616), (243, 83408), (312, 64962), (324, 62556), (351, 57744), (401, 50544), (432, 46917), (468, 43308), (486, 41704), (624, 32481), (648, 31278), (702, 28872), (802, 25272), (936, 21654), (972, 20852), (1053, 19248), (1203, 16848), (1296, 15639), (1404, 14436), (1604, 12636), (1872, 10827), (1944, 10426), (2106, 9624), (2406, 8424), (2808, 7218), (3159, 6416), (3208, 6318), (3609, 5616), (3888, 5213), (4212, 4812)]