20115908

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{9127}}^1$

素因数の和:9179

約数の個数: 24

約数和(自身を含む): 38337600

約数和(自身を除く): 18221692

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 551, 1102, 2204, 9127, 18254, 36508, 173413, 264683, 346826, 529366, 693652, 1058732, 5028977, 10057954, 20115908]

約数ペア:

[(1, 20115908), (2, 10057954), (4, 5028977), (19, 1058732), (29, 693652), (38, 529366), (58, 346826), (76, 264683), (116, 173413), (551, 36508), (1102, 18254), (2204, 9127)]