20131618388

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1163}}^1\times {\mathrm{26879}}^1$

素因数の和:28076

約数の個数: 48

約数和(自身を含む): 42051502080

約数和(自身を除く): 21919883692

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 1163, 2326, 4652, 8141, 16282, 26749, 26879, 32564, 53498, 53758, 106996, 107516, 187243, 188153, 374486, 376306, 618217, 748972, 752612, 1236434, 2472868, 4327519, 8655038, 17310076, 31260277, 62520554, 125041108, 218821939, 437643878, 718986371, 875287756, 1437972742, 2875945484, 5032904597, 10065809194, 20131618388]

約数ペア:

[(1, 20131618388), (2, 10065809194), (4, 5032904597), (7, 2875945484), (14, 1437972742), (23, 875287756), (28, 718986371), (46, 437643878), (92, 218821939), (161, 125041108), (322, 62520554), (644, 31260277), (1163, 17310076), (2326, 8655038), (4652, 4327519), (8141, 2472868), (16282, 1236434), (26749, 752612), (26879, 748972), (32564, 618217), (53498, 376306), (53758, 374486), (106996, 188153), (107516, 187243)]