20128958332

素因数分解:

$2^2\times 7^2\times {\mathrm{379}}^1\times {\mathrm{270973}}^1$

素因数の和:271370

約数の個数: 36

約数和(自身を含む): 41085077880

約数和(自身を除く): 20956119548

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 379, 758, 1516, 2653, 5306, 10612, 18571, 37142, 74284, 270973, 541946, 1083892, 1896811, 3793622, 7587244, 13277677, 26555354, 53110708, 102698767, 205397534, 410795068, 718891369, 1437782738, 2875565476, 5032239583, 10064479166, 20128958332]

約数ペア:

[(1, 20128958332), (2, 10064479166), (4, 5032239583), (7, 2875565476), (14, 1437782738), (28, 718891369), (49, 410795068), (98, 205397534), (196, 102698767), (379, 53110708), (758, 26555354), (1516, 13277677), (2653, 7587244), (5306, 3793622), (10612, 1896811), (18571, 1083892), (37142, 541946), (74284, 270973)]