20197101496

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{673}}^1\times {\mathrm{709}}^1$

素因数の和:1449

約数の個数: 128

約数和(自身を含む): 45824990400

約数和(自身を除く): 25627888904

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 37, 44, 52, 74, 88, 104, 143, 148, 286, 296, 407, 481, 572, 673, 709, 814, 962, 1144, 1346, 1418, 1628, 1924, 2692, 2836, 3256, 3848, 5291, 5384, 5672, 7403, 7799, 8749, 9217, 10582, 14806, 15598, 17498, 18434, 21164, 24901, 26233, 29612, 31196, 34996, 36868, 42328, 49802, 52466, 59224, 62392, 69992, 73736, 96239, 99604, 101387, 104932, 192478, 199208, 202774, 209864, 273911, 288563, 323713, 341029, 384956, 405548, 477157, 547822, 577126, 647426, 682058, 769912, 811096, 954314, 1095644, 1154252, 1294852, 1364116, 1908628, 2191288, 2308504, 2589704, 2728232, 3560843, 3751319, 3817256, 5248727, 6203041, 7121686, 7502638, 10497454, 12406082, 14243372, 15005276, 17654809, 20994908, 24812164, 28486744, 30010552, 35309618, 41989816, 49624328, 68233451, 70619236, 136466902, 141238472, 194202899, 229512517, 272933804, 388405798, 459025034, 545867608, 776811596, 918050068, 1553623192, 1836100136, 2524637687, 5049275374, 10098550748, 20197101496]

約数ペア:

[(1, 20197101496), (2, 10098550748), (4, 5049275374), (8, 2524637687), (11, 1836100136), (13, 1553623192), (22, 918050068), (26, 776811596), (37, 545867608), (44, 459025034), (52, 388405798), (74, 272933804), (88, 229512517), (104, 194202899), (143, 141238472), (148, 136466902), (286, 70619236), (296, 68233451), (407, 49624328), (481, 41989816), (572, 35309618), (673, 30010552), (709, 28486744), (814, 24812164), (962, 20994908), (1144, 17654809), (1346, 15005276), (1418, 14243372), (1628, 12406082), (1924, 10497454), (2692, 7502638), (2836, 7121686), (3256, 6203041), (3848, 5248727), (5291, 3817256), (5384, 3751319), (5672, 3560843), (7403, 2728232), (7799, 2589704), (8749, 2308504), (9217, 2191288), (10582, 1908628), (14806, 1364116), (15598, 1294852), (17498, 1154252), (18434, 1095644), (21164, 954314), (24901, 811096), (26233, 769912), (29612, 682058), (31196, 647426), (34996, 577126), (36868, 547822), (42328, 477157), (49802, 405548), (52466, 384956), (59224, 341029), (62392, 323713), (69992, 288563), (73736, 273911), (96239, 209864), (99604, 202774), (101387, 199208), (104932, 192478)]