20299861281

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{653}}^1\times {\mathrm{16633}}^1$

素因数の和:17385

約数の個数: 32

約数和(自身を含む): 31330471680

約数和(自身を除く): 11030610399

約数列:

[1, 3, 7, 21, 89, 267, 623, 653, 1869, 1959, 4571, 13713, 16633, 49899, 58117, 116431, 174351, 349293, 406819, 1220457, 1480337, 4441011, 10362359, 10861349, 31087077, 32584047, 76029443, 228088329, 966660061, 2899980183, 6766620427, 20299861281]

約数ペア:

[(1, 20299861281), (3, 6766620427), (7, 2899980183), (21, 966660061), (89, 228088329), (267, 76029443), (623, 32584047), (653, 31087077), (1869, 10861349), (1959, 10362359), (4571, 4441011), (13713, 1480337), (16633, 1220457), (49899, 406819), (58117, 349293), (116431, 174351)]