20199861

素因数分解:

$3^6\times {\mathrm{11}}^2\times {\mathrm{229}}^1$

素因数の和:269

約数の個数: 42

約数和(自身を含む): 33434870

約数和(自身を除く): 13235009

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 121, 229, 243, 297, 363, 687, 729, 891, 1089, 2061, 2519, 2673, 3267, 6183, 7557, 8019, 9801, 18549, 22671, 27709, 29403, 55647, 68013, 83127, 88209, 166941, 204039, 249381, 612117, 748143, 1836351, 2244429, 6733287, 20199861]

約数ペア:

[(1, 20199861), (3, 6733287), (9, 2244429), (11, 1836351), (27, 748143), (33, 612117), (81, 249381), (99, 204039), (121, 166941), (229, 88209), (243, 83127), (297, 68013), (363, 55647), (687, 29403), (729, 27709), (891, 22671), (1089, 18549), (2061, 9801), (2519, 8019), (2673, 7557), (3267, 6183)]