20213305904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{2243}}^1\times {\mathrm{51203}}^1$

素因数の和:53465

約数の個数: 40

約数和(自身を含む): 42743460672

約数和(自身を除く): 22530154768

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 2243, 4486, 8972, 17944, 24673, 35888, 49346, 51203, 98692, 102406, 197384, 204812, 394768, 409624, 563233, 819248, 1126466, 2252932, 4505864, 9011728, 114848329, 229696658, 459393316, 918786632, 1263331619, 1837573264, 2526663238, 5053326476, 10106652952, 20213305904]

約数ペア:

[(1, 20213305904), (2, 10106652952), (4, 5053326476), (8, 2526663238), (11, 1837573264), (16, 1263331619), (22, 918786632), (44, 459393316), (88, 229696658), (176, 114848329), (2243, 9011728), (4486, 4505864), (8972, 2252932), (17944, 1126466), (24673, 819248), (35888, 563233), (49346, 409624), (51203, 394768), (98692, 204812), (102406, 197384)]