20243880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1061}}^1$

素因数の和:1131

約数の個数: 96

約数和(自身を含む): 67097160

約数和(自身を除く): 46853280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 53, 60, 72, 90, 106, 120, 159, 180, 212, 265, 318, 360, 424, 477, 530, 636, 795, 954, 1060, 1061, 1272, 1590, 1908, 2120, 2122, 2385, 3180, 3183, 3816, 4244, 4770, 5305, 6360, 6366, 8488, 9540, 9549, 10610, 12732, 15915, 19080, 19098, 21220, 25464, 31830, 38196, 42440, 47745, 56233, 63660, 76392, 95490, 112466, 127320, 168699, 190980, 224932, 281165, 337398, 381960, 449864, 506097, 562330, 674796, 843495, 1012194, 1124660, 1349592, 1686990, 2024388, 2249320, 2530485, 3373980, 4048776, 5060970, 6747960, 10121940, 20243880]

約数ペア:

[(1, 20243880), (2, 10121940), (3, 6747960), (4, 5060970), (5, 4048776), (6, 3373980), (8, 2530485), (9, 2249320), (10, 2024388), (12, 1686990), (15, 1349592), (18, 1124660), (20, 1012194), (24, 843495), (30, 674796), (36, 562330), (40, 506097), (45, 449864), (53, 381960), (60, 337398), (72, 281165), (90, 224932), (106, 190980), (120, 168699), (159, 127320), (180, 112466), (212, 95490), (265, 76392), (318, 63660), (360, 56233), (424, 47745), (477, 42440), (530, 38196), (636, 31830), (795, 25464), (954, 21220), (1060, 19098), (1061, 19080), (1272, 15915), (1590, 12732), (1908, 10610), (2120, 9549), (2122, 9540), (2385, 8488), (3180, 6366), (3183, 6360), (3816, 5305), (4244, 4770)]