20216573517

素因数分解:

$3^1\times 7^2\times {\mathrm{307}}^1\times {\mathrm{373}}^1\times {\mathrm{1201}}^1$

素因数の和:1898

約数の個数: 48

約数和(自身を含む): 31569058752

約数和(自身を除く): 11352485235

約数列:

[1, 3, 7, 21, 49, 147, 307, 373, 921, 1119, 1201, 2149, 2611, 3603, 6447, 7833, 8407, 15043, 18277, 25221, 45129, 54831, 58849, 114511, 176547, 343533, 368707, 447973, 801577, 1106121, 1343919, 2404731, 2580949, 3135811, 5611039, 7742847, 9407433, 16833117, 18066643, 21950677, 54199929, 65852031, 137527711, 412583133, 962693977, 2888081931, 6738857839, 20216573517]

約数ペア:

[(1, 20216573517), (3, 6738857839), (7, 2888081931), (21, 962693977), (49, 412583133), (147, 137527711), (307, 65852031), (373, 54199929), (921, 21950677), (1119, 18066643), (1201, 16833117), (2149, 9407433), (2611, 7742847), (3603, 5611039), (6447, 3135811), (7833, 2580949), (8407, 2404731), (15043, 1343919), (18277, 1106121), (25221, 801577), (45129, 447973), (54831, 368707), (58849, 343533), (114511, 176547)]