20281963512

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{140123}}^1$

素因数の和:140332

約数の個数: 64

約数和(自身を含む): 52395166080

約数和(自身を除く): 32113202568

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 163, 222, 296, 326, 444, 489, 652, 888, 978, 1304, 1956, 3912, 6031, 12062, 18093, 24124, 36186, 48248, 72372, 140123, 144744, 280246, 420369, 560492, 840738, 1120984, 1681476, 3362952, 5184551, 10369102, 15553653, 20738204, 22840049, 31107306, 41476408, 45680098, 62214612, 68520147, 91360196, 124429224, 137040294, 182720392, 274080588, 548161176, 845081813, 1690163626, 2535245439, 3380327252, 5070490878, 6760654504, 10140981756, 20281963512]

約数ペア:

[(1, 20281963512), (2, 10140981756), (3, 6760654504), (4, 5070490878), (6, 3380327252), (8, 2535245439), (12, 1690163626), (24, 845081813), (37, 548161176), (74, 274080588), (111, 182720392), (148, 137040294), (163, 124429224), (222, 91360196), (296, 68520147), (326, 62214612), (444, 45680098), (489, 41476408), (652, 31107306), (888, 22840049), (978, 20738204), (1304, 15553653), (1956, 10369102), (3912, 5184551), (6031, 3362952), (12062, 1681476), (18093, 1120984), (24124, 840738), (36186, 560492), (48248, 420369), (72372, 280246), (140123, 144744)]