20723778872

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{74441}}^1$

素因数の和:74576

約数の個数: 64

約数和(自身を含む): 43414574400

約数和(自身を除く): 22690795528

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 89, 92, 136, 178, 184, 356, 391, 712, 782, 1513, 1564, 2047, 3026, 3128, 4094, 6052, 8188, 12104, 16376, 34799, 69598, 74441, 139196, 148882, 278392, 297764, 595528, 1265497, 1712143, 2530994, 3424286, 5061988, 6625249, 6848572, 10123976, 13250498, 13697144, 26500996, 29106431, 53001992, 58212862, 112629233, 116425724, 152380727, 225258466, 232851448, 304761454, 450516932, 609522908, 901033864, 1219045816, 2590472359, 5180944718, 10361889436, 20723778872]

約数ペア:

[(1, 20723778872), (2, 10361889436), (4, 5180944718), (8, 2590472359), (17, 1219045816), (23, 901033864), (34, 609522908), (46, 450516932), (68, 304761454), (89, 232851448), (92, 225258466), (136, 152380727), (178, 116425724), (184, 112629233), (356, 58212862), (391, 53001992), (712, 29106431), (782, 26500996), (1513, 13697144), (1564, 13250498), (2047, 10123976), (3026, 6848572), (3128, 6625249), (4094, 5061988), (6052, 3424286), (8188, 2530994), (12104, 1712143), (16376, 1265497), (34799, 595528), (69598, 297764), (74441, 278392), (139196, 148882)]