20708235472

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1\times {\mathrm{3947}}^1$

素因数の和:4300

約数の個数: 80

約数和(自身を含む): 42826008960

約数和(自身を除く): 22117773488

約数列:

[1, 2, 4, 8, 16, 23, 46, 53, 92, 106, 184, 212, 269, 368, 424, 538, 848, 1076, 1219, 2152, 2438, 3947, 4304, 4876, 6187, 7894, 9752, 12374, 14257, 15788, 19504, 24748, 28514, 31576, 49496, 57028, 63152, 90781, 98992, 114056, 181562, 209191, 228112, 327911, 363124, 418382, 655822, 726248, 836764, 1061743, 1311644, 1452496, 1673528, 2123486, 2623288, 3347056, 4246972, 4811393, 5246576, 8493944, 9622786, 16987888, 19245572, 24420089, 38491144, 48840178, 56272379, 76982288, 97680356, 112544758, 195360712, 225089516, 390721424, 450179032, 900358064, 1294264717, 2588529434, 5177058868, 10354117736, 20708235472]

約数ペア:

[(1, 20708235472), (2, 10354117736), (4, 5177058868), (8, 2588529434), (16, 1294264717), (23, 900358064), (46, 450179032), (53, 390721424), (92, 225089516), (106, 195360712), (184, 112544758), (212, 97680356), (269, 76982288), (368, 56272379), (424, 48840178), (538, 38491144), (848, 24420089), (1076, 19245572), (1219, 16987888), (2152, 9622786), (2438, 8493944), (3947, 5246576), (4304, 4811393), (4876, 4246972), (6187, 3347056), (7894, 2623288), (9752, 2123486), (12374, 1673528), (14257, 1452496), (15788, 1311644), (19504, 1061743), (24748, 836764), (28514, 726248), (31576, 655822), (49496, 418382), (57028, 363124), (63152, 327911), (90781, 228112), (98992, 209191), (114056, 181562)]