20446080

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{463}}^1$

素因数の和:508

約数の個数: 128

約数和(自身を含む): 68152320

約数和(自身を除く): 47706240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 276, 320, 345, 368, 384, 460, 463, 480, 552, 640, 690, 736, 920, 926, 960, 1104, 1380, 1389, 1472, 1840, 1852, 1920, 2208, 2315, 2760, 2778, 2944, 3680, 3704, 4416, 4630, 5520, 5556, 6945, 7360, 7408, 8832, 9260, 10649, 11040, 11112, 13890, 14720, 14816, 18520, 21298, 22080, 22224, 27780, 29632, 31947, 37040, 42596, 44160, 44448, 53245, 55560, 59264, 63894, 74080, 85192, 88896, 106490, 111120, 127788, 148160, 159735, 170384, 177792, 212980, 222240, 255576, 296320, 319470, 340768, 425960, 444480, 511152, 638940, 681536, 851920, 888960, 1022304, 1277880, 1363072, 1703840, 2044608, 2555760, 3407680, 4089216, 5111520, 6815360, 10223040, 20446080]

約数ペア:

[(1, 20446080), (2, 10223040), (3, 6815360), (4, 5111520), (5, 4089216), (6, 3407680), (8, 2555760), (10, 2044608), (12, 1703840), (15, 1363072), (16, 1277880), (20, 1022304), (23, 888960), (24, 851920), (30, 681536), (32, 638940), (40, 511152), (46, 444480), (48, 425960), (60, 340768), (64, 319470), (69, 296320), (80, 255576), (92, 222240), (96, 212980), (115, 177792), (120, 170384), (128, 159735), (138, 148160), (160, 127788), (184, 111120), (192, 106490), (230, 88896), (240, 85192), (276, 74080), (320, 63894), (345, 59264), (368, 55560), (384, 53245), (460, 44448), (463, 44160), (480, 42596), (552, 37040), (640, 31947), (690, 29632), (736, 27780), (920, 22224), (926, 22080), (960, 21298), (1104, 18520), (1380, 14816), (1389, 14720), (1472, 13890), (1840, 11112), (1852, 11040), (1920, 10649), (2208, 9260), (2315, 8832), (2760, 7408), (2778, 7360), (2944, 6945), (3680, 5556), (3704, 5520), (4416, 4630)]