20571384

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{449}}^1$

素因数の和:564

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 33860616

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 83, 92, 138, 166, 184, 249, 276, 332, 449, 498, 552, 664, 898, 996, 1347, 1796, 1909, 1992, 2694, 3592, 3818, 5388, 5727, 7636, 10327, 10776, 11454, 15272, 20654, 22908, 30981, 37267, 41308, 45816, 61962, 74534, 82616, 111801, 123924, 149068, 223602, 247848, 298136, 447204, 857141, 894408, 1714282, 2571423, 3428564, 5142846, 6857128, 10285692, 20571384]

約数ペア:

[(1, 20571384), (2, 10285692), (3, 6857128), (4, 5142846), (6, 3428564), (8, 2571423), (12, 1714282), (23, 894408), (24, 857141), (46, 447204), (69, 298136), (83, 247848), (92, 223602), (138, 149068), (166, 123924), (184, 111801), (249, 82616), (276, 74534), (332, 61962), (449, 45816), (498, 41308), (552, 37267), (664, 30981), (898, 22908), (996, 20654), (1347, 15272), (1796, 11454), (1909, 10776), (1992, 10327), (2694, 7636), (3592, 5727), (3818, 5388)]