20218896558

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{388541}}^1$

素因数の和:388622

約数の個数: 72

約数和(自身を含む): 51823731960

約数和(自身を除く): 31604835402

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 59, 63, 98, 118, 126, 147, 177, 294, 354, 413, 441, 531, 826, 882, 1062, 1239, 2478, 2891, 3717, 5782, 7434, 8673, 17346, 26019, 52038, 388541, 777082, 1165623, 2331246, 2719787, 3496869, 5439574, 6993738, 8159361, 16318722, 19038509, 22923919, 24478083, 38077018, 45847838, 48956166, 57115527, 68771757, 114231054, 137543514, 160467433, 171346581, 206315271, 320934866, 342693162, 412630542, 481402299, 962804598, 1123272031, 1444206897, 2246544062, 2888413794, 3369816093, 6739632186, 10109448279, 20218896558]

約数ペア:

[(1, 20218896558), (2, 10109448279), (3, 6739632186), (6, 3369816093), (7, 2888413794), (9, 2246544062), (14, 1444206897), (18, 1123272031), (21, 962804598), (42, 481402299), (49, 412630542), (59, 342693162), (63, 320934866), (98, 206315271), (118, 171346581), (126, 160467433), (147, 137543514), (177, 114231054), (294, 68771757), (354, 57115527), (413, 48956166), (441, 45847838), (531, 38077018), (826, 24478083), (882, 22923919), (1062, 19038509), (1239, 16318722), (2478, 8159361), (2891, 6993738), (3717, 5439574), (5782, 3496869), (7434, 2719787), (8673, 2331246), (17346, 1165623), (26019, 777082), (52038, 388541)]