20589840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{28597}}^1$

素因数の和:28616

約数の個数: 60

約数和(自身を含む): 69149964

約数和(自身を除く): 48560124

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 28597, 57194, 85791, 114388, 142985, 171582, 228776, 257373, 285970, 343164, 428955, 457552, 514746, 571940, 686328, 857910, 1029492, 1143880, 1286865, 1372656, 1715820, 2058984, 2287760, 2573730, 3431640, 4117968, 5147460, 6863280, 10294920, 20589840]

約数ペア:

[(1, 20589840), (2, 10294920), (3, 6863280), (4, 5147460), (5, 4117968), (6, 3431640), (8, 2573730), (9, 2287760), (10, 2058984), (12, 1715820), (15, 1372656), (16, 1286865), (18, 1143880), (20, 1029492), (24, 857910), (30, 686328), (36, 571940), (40, 514746), (45, 457552), (48, 428955), (60, 343164), (72, 285970), (80, 257373), (90, 228776), (120, 171582), (144, 142985), (180, 114388), (240, 85791), (360, 57194), (720, 28597)]