20906517760

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{5693}}^1$

素因数の和:5884

約数の個数: 144

約数和(自身を含む): 53071724160

約数和(自身を除く): 32165206400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 151, 152, 160, 190, 256, 302, 304, 320, 380, 604, 608, 640, 755, 760, 1208, 1216, 1280, 1510, 1520, 2416, 2432, 2869, 3020, 3040, 4832, 4864, 5693, 5738, 6040, 6080, 9664, 11386, 11476, 12080, 12160, 14345, 19328, 22772, 22952, 24160, 24320, 28465, 28690, 38656, 45544, 45904, 48320, 56930, 57380, 91088, 91808, 96640, 108167, 113860, 114760, 182176, 183616, 193280, 216334, 227720, 229520, 364352, 367232, 432668, 455440, 459040, 540835, 728704, 734464, 859643, 865336, 910880, 918080, 1081670, 1457408, 1719286, 1730672, 1821760, 1836160, 2163340, 3438572, 3461344, 3643520, 3672320, 4298215, 4326680, 6877144, 6922688, 7287040, 8596430, 8653360, 13754288, 13845376, 16333217, 17192860, 17306720, 27508576, 27690752, 32666434, 34385720, 34613440, 55017152, 65332868, 68771440, 69226880, 81666085, 110034304, 130665736, 137542880, 138453760, 163332170, 220068608, 261331472, 275085760, 326664340, 522662944, 550171520, 653328680, 1045325888, 1100343040, 1306657360, 2090651776, 2613314720, 4181303552, 5226629440, 10453258880, 20906517760]

約数ペア:

[(1, 20906517760), (2, 10453258880), (4, 5226629440), (5, 4181303552), (8, 2613314720), (10, 2090651776), (16, 1306657360), (19, 1100343040), (20, 1045325888), (32, 653328680), (38, 550171520), (40, 522662944), (64, 326664340), (76, 275085760), (80, 261331472), (95, 220068608), (128, 163332170), (151, 138453760), (152, 137542880), (160, 130665736), (190, 110034304), (256, 81666085), (302, 69226880), (304, 68771440), (320, 65332868), (380, 55017152), (604, 34613440), (608, 34385720), (640, 32666434), (755, 27690752), (760, 27508576), (1208, 17306720), (1216, 17192860), (1280, 16333217), (1510, 13845376), (1520, 13754288), (2416, 8653360), (2432, 8596430), (2869, 7287040), (3020, 6922688), (3040, 6877144), (4832, 4326680), (4864, 4298215), (5693, 3672320), (5738, 3643520), (6040, 3461344), (6080, 3438572), (9664, 2163340), (11386, 1836160), (11476, 1821760), (12080, 1730672), (12160, 1719286), (14345, 1457408), (19328, 1081670), (22772, 918080), (22952, 910880), (24160, 865336), (24320, 859643), (28465, 734464), (28690, 728704), (38656, 540835), (45544, 459040), (45904, 455440), (48320, 432668), (56930, 367232), (57380, 364352), (91088, 229520), (91808, 227720), (96640, 216334), (108167, 193280), (113860, 183616), (114760, 182176)]