20672000

素因数分解:

$2^9\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:69

約数の個数: 160

約数和(自身を含む): 57451680

約数和(自身を除く): 36779680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 25, 32, 34, 38, 40, 50, 64, 68, 76, 80, 85, 95, 100, 125, 128, 136, 152, 160, 170, 190, 200, 250, 256, 272, 304, 320, 323, 340, 380, 400, 425, 475, 500, 512, 544, 608, 640, 646, 680, 760, 800, 850, 950, 1000, 1088, 1216, 1280, 1292, 1360, 1520, 1600, 1615, 1700, 1900, 2000, 2125, 2176, 2375, 2432, 2560, 2584, 2720, 3040, 3200, 3230, 3400, 3800, 4000, 4250, 4352, 4750, 4864, 5168, 5440, 6080, 6400, 6460, 6800, 7600, 8000, 8075, 8500, 8704, 9500, 9728, 10336, 10880, 12160, 12800, 12920, 13600, 15200, 16000, 16150, 17000, 19000, 20672, 21760, 24320, 25840, 27200, 30400, 32000, 32300, 34000, 38000, 40375, 41344, 43520, 48640, 51680, 54400, 60800, 64000, 64600, 68000, 76000, 80750, 82688, 103360, 108800, 121600, 129200, 136000, 152000, 161500, 165376, 206720, 217600, 243200, 258400, 272000, 304000, 323000, 413440, 516800, 544000, 608000, 646000, 826880, 1033600, 1088000, 1216000, 1292000, 2067200, 2584000, 4134400, 5168000, 10336000, 20672000]

約数ペア:

[(1, 20672000), (2, 10336000), (4, 5168000), (5, 4134400), (8, 2584000), (10, 2067200), (16, 1292000), (17, 1216000), (19, 1088000), (20, 1033600), (25, 826880), (32, 646000), (34, 608000), (38, 544000), (40, 516800), (50, 413440), (64, 323000), (68, 304000), (76, 272000), (80, 258400), (85, 243200), (95, 217600), (100, 206720), (125, 165376), (128, 161500), (136, 152000), (152, 136000), (160, 129200), (170, 121600), (190, 108800), (200, 103360), (250, 82688), (256, 80750), (272, 76000), (304, 68000), (320, 64600), (323, 64000), (340, 60800), (380, 54400), (400, 51680), (425, 48640), (475, 43520), (500, 41344), (512, 40375), (544, 38000), (608, 34000), (640, 32300), (646, 32000), (680, 30400), (760, 27200), (800, 25840), (850, 24320), (950, 21760), (1000, 20672), (1088, 19000), (1216, 17000), (1280, 16150), (1292, 16000), (1360, 15200), (1520, 13600), (1600, 12920), (1615, 12800), (1700, 12160), (1900, 10880), (2000, 10336), (2125, 9728), (2176, 9500), (2375, 8704), (2432, 8500), (2560, 8075), (2584, 8000), (2720, 7600), (3040, 6800), (3200, 6460), (3230, 6400), (3400, 6080), (3800, 5440), (4000, 5168), (4250, 4864), (4352, 4750)]