20900152

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1511}}^1$

素因数の和:1556

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 29903048

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 91, 104, 133, 152, 182, 247, 266, 364, 494, 532, 728, 988, 1064, 1511, 1729, 1976, 3022, 3458, 6044, 6916, 10577, 12088, 13832, 19643, 21154, 28709, 39286, 42308, 57418, 78572, 84616, 114836, 137501, 157144, 200963, 229672, 275002, 373217, 401926, 550004, 746434, 803852, 1100008, 1492868, 1607704, 2612519, 2985736, 5225038, 10450076, 20900152]

約数ペア:

[(1, 20900152), (2, 10450076), (4, 5225038), (7, 2985736), (8, 2612519), (13, 1607704), (14, 1492868), (19, 1100008), (26, 803852), (28, 746434), (38, 550004), (52, 401926), (56, 373217), (76, 275002), (91, 229672), (104, 200963), (133, 157144), (152, 137501), (182, 114836), (247, 84616), (266, 78572), (364, 57418), (494, 42308), (532, 39286), (728, 28709), (988, 21154), (1064, 19643), (1511, 13832), (1729, 12088), (1976, 10577), (3022, 6916), (3458, 6044)]