20291760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{28183}}^1$

素因数の和:28202

約数の個数: 60

約数和(自身を含む): 68148912

約数和(自身を除く): 47857152

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, 28183, 56366, 84549, 112732, 140915, 169098, 225464, 253647, 281830, 338196, 422745, 450928, 507294, 563660, 676392, 845490, 1014588, 1127320, 1268235, 1352784, 1690980, 2029176, 2254640, 2536470, 3381960, 4058352, 5072940, 6763920, 10145880, 20291760]

約数ペア:

[(1, 20291760), (2, 10145880), (3, 6763920), (4, 5072940), (5, 4058352), (6, 3381960), (8, 2536470), (9, 2254640), (10, 2029176), (12, 1690980), (15, 1352784), (16, 1268235), (18, 1127320), (20, 1014588), (24, 845490), (30, 676392), (36, 563660), (40, 507294), (45, 450928), (48, 422745), (60, 338196), (72, 281830), (80, 253647), (90, 225464), (120, 169098), (144, 140915), (180, 112732), (240, 84549), (360, 56366), (720, 28183)]